A newly disclosed vulnerability in the widely used Exim mail transfer agent exposes thousands of internet-facing mail servers to unauthenticated remote code execution, threatening core email infrastructure across Linux and Unix-like systems. Tracked as CVE-2026-45185 and nicknamed “Dead.Letter,” the bug resides in Exim’s handling of TLS-encrypted SMTP traffic, and BDAT chunked message bodies when compiled […] The post Critical Exim Mailer Flaw Enables Remote Code Execution Attacks appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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