A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Linux Security whereby the Fmlib component used in certain F-Secure products can crash while scanning fuzzed files. The exploit can be triggered remotely by an attacker. A successful attack will result in Denial-of-Service of the Anti-Virus engine.

A vulnerability affecting F-Secure antivirus engine before Capricorn update 2022-02-0101 was discovered whereby decompression of ACE file causes the scanner service to stop. The vulnerability can be exploited remotely by an attacker. A successful attack will result in denial-of-service of the antivirus engine.