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High · 8.4 CVE-2018-25299 EUVD-2018-21819GHSA-vp92-854v-9rq4

Prime95 29.4b8 Local Buffer Overflow via SEH

Published Apr 29, 2026 · Updated Apr 30, 2026 · Assigned by VulnCheck

Description

Prime95 29.4b8 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting structured exception handling (SEH) mechanisms. Attackers can inject malicious payload through the optional proxy hostname field in the PrimeNet connection settings to trigger the overflow and execute system commands.

Affected products

VendorProductAffectedFixed
Mersenne Prime95 29.4b8 —

References