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Exim Mail Transfer Agent User-After-Free Remote Code Execution Vulnerability (CVE-2026-45185)

CVE-2026-45185, a user-after-free vulnerability in Exim versions 4.97 through 4.99.2, allows an unauthenticated remote attacker to execute arbitrary code by sending crafted SMTP traffic with BDAT chunking during TLS shutdown.

Exim rce vulnerability cve-2026-45185 user-after-free gnutls
2r 1t 1c