thehackernews.com·May 12, 2026
Exim has issued security updates to fix a critical vulnerability, CVE-2026-45185 (Dead.Letter), that could lead to memory corruption and code execution in specific configurations of its open-source Mail Transfer Agent.
Exim's recent security update addresses a critical vulnerability, CVE-2026-45185, known as Dead.Letter, which involves use-after-free issues potentially leading to memory corruption and code execution. As a professional in cybersecurity, it's crucial to prioritize this update in your threat intelligence and incident response strategies, especially if your organization relies on Exim for email routing. Ensure that affected configurations are patched promptly to mitigate the risk of exploitation.