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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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    "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: Subject buffer overread in JIT\n     - debian/patches/CVE-2019-20838.patch: skip the fixed-quantifier fast path\n       for \\R and \\X in pcre_jit_compile.c\n     - CVE-2019-20838\n   * Stop RunGrepTest failing the armel build\n     - debian/rules: run the rest of the test suite instead of RunGrepTest on\n       armel, where pcregrep's directory recursion returns no entries so the\n       six \"-L -r\" subtests print an empty file list; pre-existing, the init\n       commit's own build fails identically, and the other five tests still\n       gate the architecture",
        "title": "Details"
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      {
        "category": "self",
        "summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1789581984",
        "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1789581984"
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        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/debian11els/advisories/2026/clsa-2026_1789581984.json"
      }
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      "current_release_date": "2026-09-16T18:07:16Z",
      "generator": {
        "date": "2026-09-16T18:07:16Z",
        "engine": {
          "name": "pyCSAF"
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      },
      "id": "CLSA-2026:1789581984",
      "initial_release_date": "2026-09-16T18:07:16Z",
      "revision_history": [
        {
          "date": "2026-09-16T18:07:16Z",
          "number": "1",
          "summary": "Initial version"
        }
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      "status": "final",
      "version": "1"
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    "title": "Fix CVE(s): CVE-2019-20838"
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          "Debian-11:libpcre32-3-2:8.39-13+tuxcare.els1.arm64",
          "Debian-11:libpcre32-3-2:8.39-13+tuxcare.els1.armel",
          "Debian-11:libpcrecpp0v5-2:8.39-13+tuxcare.els1.amd64",
          "Debian-11:libpcrecpp0v5-2:8.39-13+tuxcare.els1.arm64",
          "Debian-11:libpcrecpp0v5-2:8.39-13+tuxcare.els1.armel",
          "Debian-11:pcregrep-2:8.39-13+tuxcare.els1.amd64",
          "Debian-11:pcregrep-2:8.39-13+tuxcare.els1.arm64",
          "Debian-11:pcregrep-2:8.39-13+tuxcare.els1.armel"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2019-20838"
        },
        {
          "category": "external",
          "summary": "http://seclists.org/fulldisclosure/2020/Dec/32",
          "url": "http://seclists.org/fulldisclosure/2020/Dec/32"
        },
        {
          "category": "external",
          "summary": "http://seclists.org/fulldisclosure/2021/Feb/14",
          "url": "http://seclists.org/fulldisclosure/2021/Feb/14"
        },
        {
          "category": "external",
          "summary": "https://bugs.gentoo.org/717920",
          "url": "https://bugs.gentoo.org/717920"
        },
        {
          "category": "external",
          "summary": "https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E",
          "url": "https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E"
        },
        {
          "category": "external",
          "summary": "https://support.apple.com/kb/HT211931",
          "url": "https://support.apple.com/kb/HT211931"
        },
        {
          "category": "external",
          "summary": "https://support.apple.com/kb/HT212147",
          "url": "https://support.apple.com/kb/HT212147"
        },
        {
          "category": "external",
          "summary": "https://www.pcre.org/original/changelog.txt",
          "url": "https://www.pcre.org/original/changelog.txt"
        }
      ],
      "release_date": "2020-06-15T17:15:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-16T18:06:26.346483Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1789581984",
          "product_ids": [
            "Debian-11:libpcre16-3-2:8.39-13+tuxcare.els1.amd64",
            "Debian-11:libpcre16-3-2:8.39-13+tuxcare.els1.arm64",
            "Debian-11:libpcre16-3-2:8.39-13+tuxcare.els1.armel",
            "Debian-11:libpcre3-2:8.39-13+tuxcare.els1.amd64",
            "Debian-11:libpcre3-2:8.39-13+tuxcare.els1.arm64",
            "Debian-11:libpcre3-2:8.39-13+tuxcare.els1.armel",
            "Debian-11:libpcre3-dev-2:8.39-13+tuxcare.els1.amd64",
            "Debian-11:libpcre3-dev-2:8.39-13+tuxcare.els1.arm64",
            "Debian-11:libpcre3-dev-2:8.39-13+tuxcare.els1.armel",
            "Debian-11:libpcre32-3-2:8.39-13+tuxcare.els1.amd64",
            "Debian-11:libpcre32-3-2:8.39-13+tuxcare.els1.arm64",
            "Debian-11:libpcre32-3-2:8.39-13+tuxcare.els1.armel",
            "Debian-11:libpcrecpp0v5-2:8.39-13+tuxcare.els1.amd64",
            "Debian-11:libpcrecpp0v5-2:8.39-13+tuxcare.els1.arm64",
            "Debian-11:libpcrecpp0v5-2:8.39-13+tuxcare.els1.armel",
            "Debian-11:pcregrep-2:8.39-13+tuxcare.els1.amd64",
            "Debian-11:pcregrep-2:8.39-13+tuxcare.els1.arm64",
            "Debian-11:pcregrep-2:8.39-13+tuxcare.els1.armel"
          ],
          "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1789581984"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ]
    }
  ]
}