Medium severity5.5NVD Advisory· Published Oct 6, 2021· Updated Jun 17, 2026
CVE-2021-33602
CVE-2021-33602
Description
A vulnerability affecting the F-Secure Antivirus engine was discovered when the engine tries to unpack a zip archive (LZW decompression method), and this can crash the scanning engine. The vulnerability can be exploited remotely by an attacker. A successful attack will result in Denial-of-Service of the Anti-Virus engine.
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Affected products
6- cpe:2.3:a:f-secure:cloud_protection:*:*:*:*:*:salesforce:*:*
- cpe:2.3:a:f-secure:internet_gatekeeper:*:*:*:*:*:*:*:*
- cpe:2.3:a:f-secure:linux_security:*:*:*:*:*:*:*:*
- F-Secure/F-Secure endpoint protection products on Windows and Mac. F-Secure Linux Security (32-bit) F-Secure Linux Security 64 F-Secure Atlant & F-Secure Cloud Protection for Salesforcev5Range: All Version
Patches
Vulnerability mechanics
References
1- www.f-secure.com/en/business/support-and-downloads/security-advisoriesnvdVendor Advisory
News mentions
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