exim

Exim 4.100 has been released with new features including lookups for public suffix and registered domain, native DMARC support, and various security and bug fixes.

XBOW disclosed CVE-2026-45185, a critical unauthenticated remote code execution vulnerability in Exim mail servers caused by a use-after-free error in TLS handling. The article details the technical exploit development and the role of AI models in the discovery process.