جزئیات آسیب‌پذیری

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.

• 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