It was discovered that ClamAV incorrectly handled certain PE files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. (CVE-2026-20213, CVE-2026-20214, CVE-2026-20217) It was discovered that ClamAV incorrectly handled certain 7z archive files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. (CVE-2026-20215) It was discovered that ClamAV incorrectly handled extraction limits for certain InstallShield archives. A remote attacker could possibly use this issue to cause ClamAV to use excessive resources, leading to a denial of service. (CVE-2026-20216) It was discovered that ClamAV incorrectly handled certain ALZ archive files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. (CVE-2026-20243) It was discovered that ClamAV incorrectly handled certain DMG files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. (CVE-2026-20244)
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