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    "aggregate_severity": {
      "text": "Critical"
    },
    "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: Integer overflow in the allocation size computation of\n     pcre2_pattern_convert() and pcre2_substring_get_bynumber() leading to an\n     undersized buffer and an out-of-bounds heap write, because both sites\n     multiplied the code-unit count by the code-unit BIT width rather than its\n     byte width and never checked the product for wraparound; reachable with a\n     large pattern or captured substring on 32-bit platforms\n     - debian/patches/CVE-2026-89157.patch: size both allocations with\n       CU2BYTES() and reject a code-unit count that would overflow\n       sizeof(pcre2_memctl) + CU2BYTES(n + 1), in src/pcre2_convert.c and\n       src/pcre2_substring.c\n     - CVE-2026-89157",
        "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-2026:1789745566",
        "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1789745566"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/debian11els/advisories/2026/clsa-2026_1789745566.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-09-18T15:33:43Z",
      "generator": {
        "date": "2026-09-18T15:33:43Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CLSA-2026:1789745566",
      "initial_release_date": "2026-09-18T15:33:43Z",
      "revision_history": [
        {
          "date": "2026-09-18T15:33:43Z",
          "number": "1",
          "summary": "Initial version"
        }
      ],
      "status": "final",
      "version": "1"
    },
    "title": "Fix CVE(s): CVE-2026-89157"
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        "known_affected": [
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-89157"
        },
        {
          "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-q8g2-wprr-34m9",
          "url": "https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q8g2-wprr-34m9"
        }
      ],
      "release_date": "2026-09-11T04:18:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-18T15:32:48.770144Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1789745566",
          "product_ids": [
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            "Debian-11:libpcre2-posix2-0:10.36-2+deb11u1+tuxcare.els3.amd64",
            "Debian-11:libpcre2-posix2-0:10.36-2+deb11u1+tuxcare.els3.arm64",
            "Debian-11:libpcre2-posix2-0:10.36-2+deb11u1+tuxcare.els3.armel",
            "Debian-11:pcre2-utils-0:10.36-2+deb11u1+tuxcare.els3.amd64",
            "Debian-11:pcre2-utils-0:10.36-2+deb11u1+tuxcare.els3.arm64",
            "Debian-11:pcre2-utils-0:10.36-2+deb11u1+tuxcare.els3.armel"
          ],
          "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1789745566"
        },
        {
          "category": "none_available",
          "date": "2026-09-11T04:18:00Z",
          "details": "Affected",
          "product_ids": [
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        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H",
            "version": "3.1"
          },
          "products": [
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ]
    }
  ]
}