Medium severity4.6NVD Advisory· Published Aug 23, 2021· Updated Jun 17, 2026

CVE-2021-33598

Description

A Denial-of-Service (DoS) vulnerability was discovered in all versions of F-Secure Atlant whereby the SAVAPI 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 (DoS) of the Anti-Virus engine.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

WithSecure/Atlantllm-fuzzy
F-Secure/F-Secure endpoint protection products on Windows, Mac and Linux Securityv5
Range: All Version

Patches

Vulnerability mechanics

References

www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-famenvdVendor Advisory
www.f-secure.com/en/business/support-and-downloads/security-advisoriesnvdVendor Advisory
www.f-secure.com/en/business/support-and-downloads/security-advisories/fsc-2021-33598nvdVendor Advisory

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