USN-8788-1: ClamAV vulnerabilities
It was discovered that ClamAV incorrectly handled certain zip archive
files. A remote attacker could possibly use this issue to cause ClamAV
to crash, resulting in a denial of service. (CVE-2026-20337,
CVE-2026-20338)
It was discovered that ClamAV incorrectly handled certain PESpin files.
A remote attacker could possibly use this issue to cause ClamAV to
crash, resulting in a denial of service. (CVE-2026-20339)
It was discovered that ClamAV incorrectly handled certain GPT files. A
remote attacker could possibly use this issue to cause ClamAV to crash,
resulting in a denial of service. (CVE-2026-20345)
It was discovered that ClamAV incorrectly handled certain PDF files. A
remote attacker could possibly use this issue to cause ClamAV to crash,
resulting in a denial of service. (CVE-2026-20346)
It was discovered that ClamAV incorrectly handled certain Mach-O files.
A remote attacker could possibly use this issue to cause ClamAV to
crash, resulting in a denial of service. (CVE-2026-20347)
It was discovered that ClamAV incorrectly handled certain XAR files. A
remote attacker could possibly use this issue to cause ClamAV to crash,
resulting in a denial of service. (CVE-2026-20348)