High severity7.5NVD Advisory· Published Sep 18, 2023· Updated Jun 17, 2026
CVE-2023-42526
CVE-2023-42526
Description
Certain WithSecure products allow a remote crash of a scanning engine via decompression of crafted data files. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithSecure Elements Endpoint Protection 17 and later, WithSecure Client Security for Mac 15, WithSecure Elements Endpoint Protection for Mac 17 and later, Linux Security 64 12.0 , Linux Protection 12.0, and WithSecure Atlant (formerly F-Secure Atlant) 1.0.35-1.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9- WithSecure/Client Securitydescription
- Range: =12.0
- Range: =15
- Range: =12.0
- Range: =15
- Range: =15
- Range: =1.0.35-1
- Range: =15
- Range: >=17
Patches
Vulnerability mechanics
References
1- www.withsecure.com/en/support/security-advisoriesnvdVendor Advisory
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