{ "document": { "aggregate_severity": { "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" }, { "category": "details", "text": "* SECURITY UPDATE: URL parsing accepts ASCII tab/CR/LF (URL smuggling)\n - debian/patches/CVE-2022-0391.patch: sanitise tab, CR, LF anywhere in\n URL/scheme inside urlsplit() before cache lookup, plus regression\n test in Lib/urlparse.py, Lib/test/test_urlparse.py.\n - CVE-2022-0391\n * SECURITY UPDATE: Quadratic complexity in IDNA decoding (DoS)\n - debian/patches/CVE-2022-45061.patch: replace O(n) outer loop with a\n single any() guard in nameprep(), plus regression test in\n Lib/encodings/idna.py, Lib/test/test_codecs.py.\n - CVE-2022-45061\n * SECURITY UPDATE: ReDoS in Cookie._unquote (quadratic backslash parsing)\n - debian/patches/CVE-2024-7592.patch: replace the quadratic _OctalPatt\n / _QuotePatt loop with a single linear re.sub-based decoder, plus\n regression tests in Lib/Cookie.py, Lib/test/test_cookie.py.\n - CVE-2024-7592\n * SECURITY UPDATE: webbrowser.open() argument injection via leading dash\n - debian/patches/CVE-2026-4519.patch: add BaseBrowser._check_url() and\n call it from every browser open() to reject URLs whose first\n non-whitespace char is '-', plus regression test in Lib/webbrowser.py,\n Lib/test/test_webbrowser.py. Also backports upstream gh-148169\n (commit d22922c8a7) to close the %action-substitution bypass: the\n check is deferred until after %action substitution and the per-arg\n replace() chain is reordered (%action before %s) so an attacker\n cannot smuggle a leading dash via the URL.\n - CVE-2026-4519\n * BUILD: replace libdb-dev (<< 1:6.0) with libdb5.3-dev in\n debian/control{,.in} so the build pulls the explicit Berkeley DB 5.3\n development headers available on Ubuntu 20.04 ESM, instead of the\n virtual libdb-dev package that is no longer satisfied in the ELS\n build environment.", "title": "Details" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1777946894", "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1777946894" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/ubuntu20.04els/advisories/2026/clsa-2026_1777946894.json" } ], "tracking": { "current_release_date": "2026-05-05T02:10:06Z", "generator": { "date": "2026-05-05T02:10:06Z", "engine": { "name": "pyCSAF" } }, "id": "CLSA-2026:1777946894", "initial_release_date": "2026-05-05T02:10:06Z", "revision_history": [ { "date": "2026-05-05T02:10:06Z", "number": "1", "summary": "Initial version" } ], "status": "final", "version": "1" }, "title": "Fix CVE(s): CVE-2022-0391, CVE-2022-45061, CVE-2024-7592, CVE-2026-4519" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Ubuntu 20.04", "product": { "name": "Ubuntu 20.04", "product_id": "Ubuntu-20", "product_identification_helper": { "cpe": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*" } } } ], "category": "product_family", "name": "Ubuntu" } ], "category": "vendor", "name": "Canonical Ltd." }, { "branches": [ { "branches": [ { "category": 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20.04", "product_id": "Ubuntu-20:python2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64" }, "product_reference": "python2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "libpython2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:libpython2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64" }, "product_reference": "libpython2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "libpython2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:libpython2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64" }, "product_reference": "libpython2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": 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"python2.7-examples-0:2.7.18-1~20.04.7+tuxcare.els1.all", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "libpython2.7-stdlib-0:2.7.18-1~20.04.7+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:libpython2.7-stdlib-0:2.7.18-1~20.04.7+tuxcare.els1.amd64" }, "product_reference": "libpython2.7-stdlib-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-4519", "cwe": { "id": "CWE-20", "name": "Improper Input Validation" }, "notes": [ { "category": "description", "text": "The webbrowser.open() API would accept leading dashes in the URL which \ncould be handled as command line options for certain web browsers. New \nbehavior rejects leading dashes. Users are recommended to sanitize URLs \nprior to passing to webbrowser.open().", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "Ubuntu-20:idle-python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:libpython2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-stdlib-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-testsuite-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-doc-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-examples-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-4519" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/3681d47a440865aead912a054d4599087b4270dd", "url": "https://github.com/python/cpython/commit/3681d47a440865aead912a054d4599087b4270dd" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/43fe06b96f6a6cf5cfd5bdab20b8649374956866", "url": "https://github.com/python/cpython/commit/43fe06b96f6a6cf5cfd5bdab20b8649374956866" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/591ed890270c5697b013bf637029fb3e6cd2d73e", "url": "https://github.com/python/cpython/commit/591ed890270c5697b013bf637029fb3e6cd2d73e" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/594b5a05dc9913880ac92eded440defbf32a28d1", "url": "https://github.com/python/cpython/commit/594b5a05dc9913880ac92eded440defbf32a28d1" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/82a24a4442312bdcfc4c799885e8b3e00990f02b", "url": "https://github.com/python/cpython/commit/82a24a4442312bdcfc4c799885e8b3e00990f02b" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/89bfb8e5ed3c7caa241028f1a4eac5f6275a46a4", "url": "https://github.com/python/cpython/commit/89bfb8e5ed3c7caa241028f1a4eac5f6275a46a4" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/9669a912a0e329c094e992204d6bdb8787024d76", "url": "https://github.com/python/cpython/commit/9669a912a0e329c094e992204d6bdb8787024d76" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/96fc5048605863c7b6fd6289643feb0e97edd96c", "url": "https://github.com/python/cpython/commit/96fc5048605863c7b6fd6289643feb0e97edd96c" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/ad4d5ba32af4d80b0dfa2ba9d8203bfb219e60a5", "url": "https://github.com/python/cpython/commit/ad4d5ba32af4d80b0dfa2ba9d8203bfb219e60a5" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/cbba6119391112aba9c5aebf7b94aea447922c48", "url": "https://github.com/python/cpython/commit/cbba6119391112aba9c5aebf7b94aea447922c48" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/cc023511238ad93ecc8796157c6f9139a2bb2932", "url": "https://github.com/python/cpython/commit/cc023511238ad93ecc8796157c6f9139a2bb2932" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/ceac1efc66516ac387eef2c9a0ce671895b44f03", "url": "https://github.com/python/cpython/commit/ceac1efc66516ac387eef2c9a0ce671895b44f03" }, { "category": "external", "summary": "https://github.com/python/cpython/issues/143930", "url": "https://github.com/python/cpython/issues/143930" }, { "category": "external", "summary": "https://github.com/python/cpython/pull/143931", "url": "https://github.com/python/cpython/pull/143931" }, { "category": "external", "summary": "https://mail.python.org/archives/list/security-announce@python.org/thread/AY5NDSS433JK56Q7Q5IS7B37QFZVVOUS/", "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/AY5NDSS433JK56Q7Q5IS7B37QFZVVOUS/" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2026/03/20/1", "url": "http://www.openwall.com/lists/oss-security/2026/03/20/1" } ], "release_date": "2026-03-20T15:16:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-05-05T02:08:19.628082Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1777946894", "product_ids": [ "Ubuntu-20:idle-python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:libpython2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-stdlib-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-testsuite-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-doc-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-examples-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1777946894" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1" }, "products": [ "Ubuntu-20:idle-python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:libpython2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-stdlib-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-testsuite-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-doc-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-examples-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64" ] } ], "threats": [ { "category": "impact", "details": "Low" } ] }, { "cve": "CVE-2024-7592", "cwe": { "id": "CWE-400", "name": "Uncontrolled Resource Consumption" }, "notes": [ { "category": "description", "text": "There is a LOW severity vulnerability affecting CPython, specifically the\n'http.cookies' standard library module.\n\n\nWhen parsing cookies that contained backslashes for quoted characters in\nthe cookie value, the parser would use an algorithm with quadratic\ncomplexity, resulting in excess CPU resources being used while parsing the\nvalue.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "Ubuntu-20:idle-python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:libpython2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-stdlib-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-testsuite-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-doc-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-examples-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2024-7592" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/391e5626e3ee5af267b97e37abc7475732e67621", "url": "https://github.com/python/cpython/commit/391e5626e3ee5af267b97e37abc7475732e67621" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/44e458357fca05ca0ae2658d62c8c595b048b5ef", "url": "https://github.com/python/cpython/commit/44e458357fca05ca0ae2658d62c8c595b048b5ef" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/a77ab24427a18bff817025adb03ca920dc3f1a06", "url": "https://github.com/python/cpython/commit/a77ab24427a18bff817025adb03ca920dc3f1a06" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/b2f11ca7667e4d57c71c1c88b255115f16042d9a", "url": "https://github.com/python/cpython/commit/b2f11ca7667e4d57c71c1c88b255115f16042d9a" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/d4ac921a4b081f7f996a5d2b101684b67ba0ed7f", "url": "https://github.com/python/cpython/commit/d4ac921a4b081f7f996a5d2b101684b67ba0ed7f" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/d662e2db2605515a767f88ad48096b8ac623c774", "url": "https://github.com/python/cpython/commit/d662e2db2605515a767f88ad48096b8ac623c774" }, { "category": "external", "summary": "https://github.com/python/cpython/commit/dcc3eaef98cd94d6cb6cb0f44bd1c903d04f33b1", "url": "https://github.com/python/cpython/commit/dcc3eaef98cd94d6cb6cb0f44bd1c903d04f33b1" }, { "category": "external", "summary": "https://github.com/python/cpython/issues/123067", "url": "https://github.com/python/cpython/issues/123067" }, { "category": "external", "summary": "https://github.com/python/cpython/pull/123075", "url": "https://github.com/python/cpython/pull/123075" }, { "category": "external", "summary": "https://mail.python.org/archives/list/security-announce@python.org/thread/HXJAAAALNUNGCQUS2W7WR6GFIZIHFOOK/", "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/HXJAAAALNUNGCQUS2W7WR6GFIZIHFOOK/" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html", "url": "https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html" }, { "category": "external", "summary": "https://security.netapp.com/advisory/ntap-20241018-0006/", "url": "https://security.netapp.com/advisory/ntap-20241018-0006/" } ], "release_date": "2024-08-19T19:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-05-05T02:08:19.628082Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1777946894", "product_ids": [ "Ubuntu-20:idle-python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:libpython2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-stdlib-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-testsuite-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-doc-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-examples-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1777946894" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "Ubuntu-20:idle-python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:libpython2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-stdlib-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-testsuite-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-doc-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-examples-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] }, { "cve": "CVE-2022-0391", "cwe": { "id": "CWE-74", "name": "Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')" }, "notes": [ { "category": "description", "text": "A flaw was found in Python, specifically within the urllib.parse module. This module helps break Uniform Resource Locator (URL) strings into components. The issue involves how the urlparse method does not sanitize input and allows characters like '\\r' and '\\n' in the URL path. This flaw allows an attacker to input a crafted URL, leading to injection attacks. This flaw affects Python versions prior to 3.10.0b1, 3.9.5, 3.8.11, 3.7.11 and 3.6.14.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "Ubuntu-20:idle-python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:libpython2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-stdlib-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-testsuite-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-doc-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-examples-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2022-0391" }, { "category": "external", "summary": "https://bugs.python.org/issue43882", "url": "https://bugs.python.org/issue43882" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2023/09/msg00022.html", "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00022.html" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CSD2YBXP3ZF44E44QMIIAR5VTO35KTRB/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CSD2YBXP3ZF44E44QMIIAR5VTO35KTRB/" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UDBDBAU6HUPZHISBOARTXZ5GKHF2VH5U/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UDBDBAU6HUPZHISBOARTXZ5GKHF2VH5U/" }, { "category": "external", "summary": "https://security.gentoo.org/glsa/202305-02", "url": "https://security.gentoo.org/glsa/202305-02" }, { "category": "external", "summary": "https://security.netapp.com/advisory/ntap-20220225-0009/", "url": "https://security.netapp.com/advisory/ntap-20220225-0009/" }, { "category": "external", "summary": "https://www.oracle.com/security-alerts/cpuapr2022.html", "url": "https://www.oracle.com/security-alerts/cpuapr2022.html" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2024/11/msg00024.html", "url": "https://lists.debian.org/debian-lts-announce/2024/11/msg00024.html" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2025/03/msg00013.html", "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00013.html" } ], "release_date": "2022-02-09T23:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-05-05T02:08:19.628082Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1777946894", "product_ids": [ "Ubuntu-20:idle-python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:libpython2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-stdlib-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-testsuite-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-doc-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-examples-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1777946894" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1" }, "products": [ "Ubuntu-20:idle-python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:libpython2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-stdlib-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-testsuite-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-doc-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-examples-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] }, { "cve": "CVE-2022-45061", "cwe": { "id": "CWE-407", "name": "Inefficient Algorithmic Complexity" }, "notes": [ { "category": "description", "text": "An issue was discovered in Python before 3.11.1. An unnecessary quadratic algorithm exists in one path when processing some inputs to the IDNA (RFC 3490) decoder, such that a crafted, unreasonably long name being presented to the decoder could lead to a CPU denial of service. Hostnames are often supplied by remote servers that could be controlled by a malicious actor; in such a scenario, they could trigger excessive CPU consumption on the client attempting to make use of an attacker-supplied supposed hostname. For example, the attack payload could be placed in the Location header of an HTTP response with status code 302. A fix is planned in 3.11.1, 3.10.9, 3.9.16, 3.8.16, and 3.7.16.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "Ubuntu-20:idle-python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:libpython2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-stdlib-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-testsuite-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", 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"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPNWZKXPKTNHS5FVMN7UQZ2UPCSEFJUK/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPNWZKXPKTNHS5FVMN7UQZ2UPCSEFJUK/" }, { "category": "external", "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZB5YCMIRVX35RUB6XPOWKENCVCJEVDRK/", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZB5YCMIRVX35RUB6XPOWKENCVCJEVDRK/" }, { "category": "external", "summary": "https://security.gentoo.org/glsa/202305-02", "url": "https://security.gentoo.org/glsa/202305-02" }, { "category": "external", "summary": "https://security.netapp.com/advisory/ntap-20221209-0007/", "url": "https://security.netapp.com/advisory/ntap-20221209-0007/" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2024/11/msg00024.html", "url": "https://lists.debian.org/debian-lts-announce/2024/11/msg00024.html" }, { "category": "external", "summary": "https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html", "url": "https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html" } ], "release_date": "2022-11-09T07:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-05-05T02:08:19.628082Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1777946894", "product_ids": [ "Ubuntu-20:idle-python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:libpython2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-stdlib-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-testsuite-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-doc-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-examples-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1777946894" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "Ubuntu-20:idle-python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:libpython2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-stdlib-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:libpython2.7-testsuite-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-dev-0:2.7.18-1~20.04.7+tuxcare.els1.amd64", "Ubuntu-20:python2.7-doc-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-examples-0:2.7.18-1~20.04.7+tuxcare.els1.all", "Ubuntu-20:python2.7-minimal-0:2.7.18-1~20.04.7+tuxcare.els1.amd64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }