CVE-2021-33572

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

• CWE-476
• CWE-476

• https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fameProduct
• https://www.f-secure.com/en/business/support-and-downloads/security-advisoriesVendor Advisory
• https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fameProduct
• https://www.f-secure.com/en/business/support-and-downloads/security-advisoriesVendor Advisory

Published

Jun 21, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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