CVE-2018-25299

Prime95 29.4b8 Local Buffer Overflow via SEH

Published Apr 29, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Prime95 29.4b8 Local Buffer Overflow via SEH
First Time appeared Mersenne
Mersenne prime95
Weaknesses CWE-120
CPEs cpe:2.3:a:mersenne:prime95:29.4b8:*:*:*:*:*:*:*
cpe:2.3:a:mersenne:prime95:30.7:-:*:*:*:*:*:*
cpe:2.3:a:mersenne:prime95:30.7:build9:*:*:*:*:*:*
Vendors & Products Mersenne
Mersenne prime95
References
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Apr 30, 2026, 1:59 PM
Reserved
Apr 29, 2026, 12:00 PM
Status
Awaiting Analysis
Published
Apr 29, 2026, 8:16 PM
Modified
Jun 17, 2026, 1:55 AM