Cve 2026 45185

CVE-2026-45185 is a use-after-free in Exim affecting GnuTLS builds with BDAT support. Unauthenticated attackers can achieve remote code execution via crafted SMTP traffic.

CVE-2026-45185 is a critical use-after-free vulnerability in Exim mail servers using GnuTLS. XBOW researchers call it one of the highest-caliber bugs found in Exim.