{
  "schema_version": "1.7.0",
  "id": "MGASA-2026-0348",
  "published": "2026-08-31T19:40:26Z",
  "modified": "2026-09-01T01:57:18Z",
  "summary": "Updated clamav packages fix security vulnerabilities",
  "details": "An indexing error while converting GPT partition names that could read or\nwrite beyond a stack-allocated partition entry. (CVE-2026-20345)\nAn integer overflow in the PESpin unpacker that could allocate an\nundersized buffer and then write beyond it while rebuilding a PE file.\n(CVE-2026-20339)\nAn integer underflow in the PDF parser that could cause a crash while\nreading a malformed hex string. (CVE-2026-20346)\nUndefined behavior and integer overflow in the Mach-O parser that could\ncause a crash while scanning a malformed Mach-O file. (CVE-2026-20347)\nXAR parser size handling that could request an excessive allocation or\nexceed scan limits while decompressing a malformed table of contents.\n(CVE-2026-20348)\n",
  "upstream": [
    "CVE-2026-20345",
    "CVE-2026-20339",
    "CVE-2026-20346",
    "CVE-2026-20347",
    "CVE-2026-20348"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://advisories.mageia.org/MGASA-2026-0348.html"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.mageia.org/show_bug.cgi?id=36180"
    },
    {
      "type": "WEB",
      "url": "https://blog.clamav.net/2026/08/clamav-154-and-146-security-patch.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OQHYDS3XT2PKXIDL3B6FNNJ3JT27FJ2T/"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Mageia:10",
        "name": "clamav",
        "purl": "pkg:rpm/mageia/clamav?arch=source&distro=mageia-10"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4.6-1.mga10"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    }
  ],
  "credits": [
    {
      "name": "Mageia",
      "type": "COORDINATOR",
      "contact": [
        "https://wiki.mageia.org/en/Packages_Security_Team"
      ]
    }
  ]
}