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    "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/"
      }
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    "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: out-of-bounds write in pcre2_dfa_match() because\n     more_workspace() reused a cached recursive-DFA workspace block without\n     checking it was large enough for the request, so a pattern using nested\n     assertions followed by recursion under a small heap limit could overflow\n     the heap allocation (PCRE2 before 10.48)\n     - debian/patches/CVE-2026-86145.patch: reject a cached next block smaller\n       than the requested size, and clamp a newly allocated block to the\n       remaining heap allowance without overflowing the size computation, in\n       more_workspace() in src/pcre2_dfa_match.c\n     - CVE-2026-86145",
        "title": "Details"
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        "category": "self",
        "summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1789666971",
        "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1789666971"
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        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/debian11els/advisories/2026/clsa-2026_1789666971.json"
      }
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    "tracking": {
      "current_release_date": "2026-09-17T17:43:48Z",
      "generator": {
        "date": "2026-09-17T17:43:48Z",
        "engine": {
          "name": "pyCSAF"
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      "id": "CLSA-2026:1789666971",
      "initial_release_date": "2026-09-17T17:43:48Z",
      "revision_history": [
        {
          "date": "2026-09-17T17:43:48Z",
          "number": "1",
          "summary": "Initial version"
        }
      ],
      "status": "final",
      "version": "1"
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    "title": "Fix CVE(s): CVE-2026-86145"
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          "name": "libpcre2-8-0-0:10.36-2+deb11u1+tuxcare.els2.arm64 as a component of Debian 11",
          "product_id": "Debian-11:libpcre2-8-0-0:10.36-2+deb11u1+tuxcare.els2.arm64"
        },
        "product_reference": "libpcre2-8-0-0:10.36-2+deb11u1+tuxcare.els2.arm64",
        "relates_to_product_reference": "Debian-11"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libpcre2-8-0-0:10.36-2+deb11u1+tuxcare.els2.armel as a component of Debian 11",
          "product_id": "Debian-11:libpcre2-8-0-0:10.36-2+deb11u1+tuxcare.els2.armel"
        },
        "product_reference": "libpcre2-8-0-0:10.36-2+deb11u1+tuxcare.els2.armel",
        "relates_to_product_reference": "Debian-11"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-86145",
      "cwe": {
        "id": "CWE-424",
        "name": "Improper Protection of Alternate Path"
      },
      "notes": [
        {
          "category": "description",
          "text": "PCRE2 before 10.48 allows a pcre2_dfa_match out-of-bounds write because reuse of a cached workspace block, in a recursive DFA matching workspace, lacks a size check (even though a newly allocated block, for the same purpose, does have a size check). This outcome requires an attacker-controlled regular expression, or a recursive pattern in conjunction with a small heap limit (this can be set through the API).",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "fixed": [
          "Debian-11:libpcre2-16-0-0:10.36-2+deb11u1+tuxcare.els2.amd64",
          "Debian-11:libpcre2-16-0-0:10.36-2+deb11u1+tuxcare.els2.arm64",
          "Debian-11:libpcre2-16-0-0:10.36-2+deb11u1+tuxcare.els2.armel",
          "Debian-11:libpcre2-32-0-0:10.36-2+deb11u1+tuxcare.els2.amd64",
          "Debian-11:libpcre2-32-0-0:10.36-2+deb11u1+tuxcare.els2.arm64",
          "Debian-11:libpcre2-32-0-0:10.36-2+deb11u1+tuxcare.els2.armel",
          "Debian-11:libpcre2-8-0-0:10.36-2+deb11u1+tuxcare.els2.amd64",
          "Debian-11:libpcre2-8-0-0:10.36-2+deb11u1+tuxcare.els2.arm64",
          "Debian-11:libpcre2-8-0-0:10.36-2+deb11u1+tuxcare.els2.armel",
          "Debian-11:libpcre2-dev-0:10.36-2+deb11u1+tuxcare.els2.amd64",
          "Debian-11:libpcre2-dev-0:10.36-2+deb11u1+tuxcare.els2.arm64",
          "Debian-11:libpcre2-dev-0:10.36-2+deb11u1+tuxcare.els2.armel",
          "Debian-11:libpcre2-posix2-0:10.36-2+deb11u1+tuxcare.els2.amd64",
          "Debian-11:libpcre2-posix2-0:10.36-2+deb11u1+tuxcare.els2.arm64",
          "Debian-11:libpcre2-posix2-0:10.36-2+deb11u1+tuxcare.els2.armel",
          "Debian-11:pcre2-utils-0:10.36-2+deb11u1+tuxcare.els2.amd64",
          "Debian-11:pcre2-utils-0:10.36-2+deb11u1+tuxcare.els2.arm64",
          "Debian-11:pcre2-utils-0:10.36-2+deb11u1+tuxcare.els2.armel"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-86145"
        },
        {
          "category": "external",
          "summary": "https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48",
          "url": "https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48"
        },
        {
          "category": "external",
          "summary": "https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-3r4p-g7gg-ppmf",
          "url": "https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-3r4p-g7gg-ppmf"
        },
        {
          "category": "external",
          "summary": "http://www.openwall.com/lists/oss-security/2026/09/05/3",
          "url": "http://www.openwall.com/lists/oss-security/2026/09/05/3"
        }
      ],
      "release_date": "2026-09-05T05:09:25Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-17T17:42:53.060882Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1789666971",
          "product_ids": [
            "Debian-11:libpcre2-16-0-0:10.36-2+deb11u1+tuxcare.els2.amd64",
            "Debian-11:libpcre2-16-0-0:10.36-2+deb11u1+tuxcare.els2.arm64",
            "Debian-11:libpcre2-16-0-0:10.36-2+deb11u1+tuxcare.els2.armel",
            "Debian-11:libpcre2-32-0-0:10.36-2+deb11u1+tuxcare.els2.amd64",
            "Debian-11:libpcre2-32-0-0:10.36-2+deb11u1+tuxcare.els2.arm64",
            "Debian-11:libpcre2-32-0-0:10.36-2+deb11u1+tuxcare.els2.armel",
            "Debian-11:libpcre2-8-0-0:10.36-2+deb11u1+tuxcare.els2.amd64",
            "Debian-11:libpcre2-8-0-0:10.36-2+deb11u1+tuxcare.els2.arm64",
            "Debian-11:libpcre2-8-0-0:10.36-2+deb11u1+tuxcare.els2.armel",
            "Debian-11:libpcre2-dev-0:10.36-2+deb11u1+tuxcare.els2.amd64",
            "Debian-11:libpcre2-dev-0:10.36-2+deb11u1+tuxcare.els2.arm64",
            "Debian-11:libpcre2-dev-0:10.36-2+deb11u1+tuxcare.els2.armel",
            "Debian-11:libpcre2-posix2-0:10.36-2+deb11u1+tuxcare.els2.amd64",
            "Debian-11:libpcre2-posix2-0:10.36-2+deb11u1+tuxcare.els2.arm64",
            "Debian-11:libpcre2-posix2-0:10.36-2+deb11u1+tuxcare.els2.armel",
            "Debian-11:pcre2-utils-0:10.36-2+deb11u1+tuxcare.els2.amd64",
            "Debian-11:pcre2-utils-0:10.36-2+deb11u1+tuxcare.els2.arm64",
            "Debian-11:pcre2-utils-0:10.36-2+deb11u1+tuxcare.els2.armel"
          ],
          "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1789666971"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ]
    }
  ]
}