CVE-2025-10101

Heap-based Buffer Overflow, Out-of-bounds Write vulnerability in Avast Antivirus on MacOS of a crafted Mach-O file may allow Local Execution of Code or Denial of Service of antivirus protection. This issue affects Antivirus: from 15.7 before 3.9.2025...

EUVD-2025-200065

NULL Pointer Dereference vulnerability in Avast Antivirus on MacOS, Avast Anitvirus on Linux when scanning a malformed Windows PE file causes the antivirus process to crash.This issue affects Antivirus: 16.0.0; Anitvirus: 3.0.3...

CVE-2025-8351

CVE-2025-8351 describes a heap-based buffer overflow and out-of-bounds read in antivirus engines (Avira/Avast family) when scanning malformed files. Affected versions are engine builds before 8.3.70.98 and the impact can be local code execution or denial-of-service of the antivirus engine process...