What’s Vulnerable › Vulnerabilities

CVE-2023-42523

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-18 · updated 2026-06-17
• Weakness: CWE-400

Description

Certain WithSecure products allow a remote crash of a scanning engine via unpacking of a PE 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.

Affected products

• WithSecure Atlant: 1.0.35-1
• WithSecure Client Security: 15
• WithSecure Elements Endpoint Protection: from 17
• WithSecure Email And Server Security: 15
• WithSecure Linux Protection: 12.0
• WithSecure Linux Security 64: 12.0
• WithSecure Server Security: 15

References

• https://www.withsecure.com/en/support/security-advisories
• https://www.withsecure.com/en/support/security-advisories

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