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7.5

Certain WithSecure products allow Denial of Service via a fuzzed PE32 file. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithS...

CVE-2023-43760 · published 3 years ago
Summary

Certain WithSecure products allow Denial of Service via a fuzzed PE32 file. 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 Elem...

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
f-secure client_security 15.00
cpe:2.3:a:f-secure:client_security:15.00:*:*:*:*:*:*:*
f-secure elements_endpoint_protection >= 17.0
cpe:2.3:a:f-secure:elements_endpoint_protection:*:*:*:*:*:*:*:*
f-secure email_and_server_security 15.00
cpe:2.3:a:f-secure:email_and_server_security:15.00:*:*:*:*:*:*:*
f-secure server_security 15.00
cpe:2.3:a:f-secure:server_security:15.00:*:*:*:*:*:*:*
f-secure linux_protection 12.0
cpe:2.3:a:f-secure:linux_protection:12.0:*:*:*:*:*:*:*
f-secure linux_security_64 12.0
cpe:2.3:a:f-secure:linux_security_64:12.0:*:*:*:*:*:*:*
f-secure atlant 1.0.35-1
cpe:2.3:a:f-secure:atlant:1.0.35-1:*:*:*:*:*:*:*
Original advisory text
Certain WithSecure products allow Denial of Service via a fuzzed PE32 file. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithS...
Certain WithSecure products allow Denial of Service via a fuzzed PE32 file. 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.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
7.5 High
Exploitation
<1% chance of attack within 30 days
Timeline
Published22 Sep 2023
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2023-43760 · NVD
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