CVE-2018-25293: Mersenne PRIME95

Medium severity, CVSS 6.2. EPSS: 0.1% chance of exploitation in the next 30 days.

Prime95 29.4b7 contains a buffer overflow vulnerability in the PrimeNet connection dialog that allows local attackers to crash the application by supplying an excessively long string in the optional proxy password field. Attackers can trigger a denial of service by entering a 6000-byte payload into the proxy password parameter, causing the application to crash when processing the connection settings.

Affected products

• Mersenne PRIME95: version 29.4b7 only

Published 2026-04-26. Last modified 2026-06-17.