{
  "schema_version": "1.7.0",
  "id": "MGASA-2026-0343",
  "published": "2026-08-31T16:22:02Z",
  "modified": "2026-08-31T15:07:38Z",
  "summary": "Updated c-ares packages fix security vulnerabilities",
  "details": "Use-after-free / double-free in c-ares query-completion handling,\nremotely triggerable via ares_getaddrinfo() over TCP. (CVE-2026-33630)\nCPU-exhaustion denial of service via unbounded DNS name compression\npointer chains. (CVE-2026-69184)\nMemory-amplification denial of service via unvalidated DNS header record\ncounts. (CVE-2026-69186)\n",
  "upstream": [
    "CVE-2026-33630",
    "CVE-2026-69184",
    "CVE-2026-69186"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://advisories.mageia.org/MGASA-2026-0343.html"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.mageia.org/show_bug.cgi?id=35847"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2026/07/06/8"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/c-ares/c-ares/security/advisories/GHSA-6wfj-rwm7-3542"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/c-ares/c-ares/security/advisories/GHSA-pjmc-gx33-gc76"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/c-ares/c-ares/security/advisories/GHSA-jv8r-gqr9-68wj"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RP4OX63ZTYCCB4UK6HI4BFEPQEPSNLOJ/"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Mageia:10",
        "name": "c-ares",
        "purl": "pkg:rpm/mageia/c-ares?arch=source&distro=mageia-10"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.34.8-1.mga10"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    }
  ],
  "credits": [
    {
      "name": "Mageia",
      "type": "COORDINATOR",
      "contact": [
        "https://wiki.mageia.org/en/Packages_Security_Team"
      ]
    }
  ]
}