CVE-2025-67896
Exim before 4.99.1, with certain non-default rate-limit configurations, allows a remote heap-based buffer overflow because database records are cast directly to internal structures without validation.
- Score
- CVSS 3.1 9.8 Critical
- Status
- Analyzed - cve@mitre.org
- Published
- 2025-12-14
- Last modified
- 2026-10-14
- Weaknesses
- CWE-122
Affected products
References
- https://www.openwall.com/lists/oss-security/2025/12/11/2
- https://exim.org/static/doc/security/
- https://exim.org/static/doc/security/EXIM-Security-2025-12-09.1/report.txt
- http://www.openwall.com/lists/oss-security/2025/12/14/1
- http://www.openwall.com/lists/oss-security/2025/12/18/3
