Exim has released security updates to address a severe security issue affecting certain configurations that could enable memory corruption and potential code execution.
Exim is an open-source Mail Transfer Agent (MTA) designed for Unix-like systems to receive, route, and deliver email.
The vulnerability, tracked as CVE-2026-45185, aka Dead.Letter, has been described as a use-after-free



Source: TheHackerNews
Source Link: https://thehackernews.com/2026/05/new-exim-bdat-vulnerability-exposes.html