CVE-2018-25299
Prime95 29.4b8 Local Buffer Overflow via SEH
- State
- Published
- Severity
- 8.6 High
- Published
- Apr 29, 2026
- Updated
- Apr 30, 2026
- Reserved
- Apr 29, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | 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 | VulnCheck |
| 3.1 | 8.4 High | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Affected Products
| Product | Versions |
|---|---|
Prime95Mersenne |
|
References
- ExploitDB-44649exploit
- Official Product Homepageproduct
- Product Referenceproduct
- VulnCheck Advisory: Prime95 29.4b8 Local Buffer Overflow via SEHthird-party-advisory
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