Medium 6.2Published Apr 26, 2026

CVE-2018-25293Prime95 29.4b7 Denial of Service via Proxy Password Field

Updated under an hour ago (Oct 25, 2026, 9:00 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for Mersenne Prime95

Exploited in the last 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.

CVSS: 6.2 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-120
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Apr 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Mersenne Prime95 mersenne:prime95 (from the name)	29.4b7	CNA record

References

https://www.exploit-db.com/exploits/45226exploit
http://www.mersenne.orgproduct
http://www.mersenne.org/ftp_root/gimps/p95v294b7.win32.zipproduct
https://www.vulncheck.com/advisories/prime95-29-4b7-denial-of-service-via-proxy-password-fieldthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.