CVE-2021-33599

A vulnerability affecting F-Secure Antivirus engine was discovered whereby scanning WIM archive file can lead to denial-of-service (infinite loop and freezes AV engine scanner). The vulnerability can be exploit remotely by an attacker. A successful attack will result in Denial-of-Service of the Anti-Virus engine.

• CWE-835

• https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fameVendor Advisory
• https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33599Vendor Advisory
• https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fameVendor Advisory
• https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33599Vendor Advisory

Published

Sep 7, 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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