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Debian 10 Buster DLA-3708-1 Critical Exim4 Mail Security Risk

It was discovered that Exim, a mail transport agent, can be induced to accept a second message embedded as part of the body of a first message in certain configurations where PIPELINING or CHUNKING on incoming connections is offered. . ------------------------------------------------------------------------- Debian LTS Advisory DLA-3708-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/lts/security/ Markus Koschany January 05, 2024 https://wiki.debian.org/LTS ------------------------------------------------------------------------- Package : exim4 Version : 4.92-8+deb10u9 CVE ID : CVE-2023-51766 Debian Bug : 1059387 It was discovered that Exim, a mail transport agent, can be induced to accept a second message embedded as part of the body of a first message in certain configurations where PIPELINING or CHUNKING on incoming connections is offered. For Debian 10 buster, this problem has been fixed in version 4.92-8+deb10u9. We recommend that you upgrade your exim4 packages. For the detailed security status of exim4 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/exim4 Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS . Critical notification concerning the Exim mail transfer agent designed to mitigate security weaknesses identified in Debian version 10.. Exim Security Update, Debian LTS Advisory, Exim4 Transport Agent. . Severity: Critical. LinuxSecurity.com Team

Jan 05, 2024 •Critical Debian LTS