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Ubuntu 23.04: USN-6374-1 Critical: Mutt Input Crash Risk

Mutt could be made to crash if it received specially crafted input.. ========================================================================== Ubuntu Security Notice USN-6374-1 September 14, 2023 mutt vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS (Available with Ubuntu Pro) - Ubuntu 16.04 LTS (Available with Ubuntu Pro) Summary: Mutt could be made to crash if it received specially crafted input. Software Description: - mutt: text-based mailreader supporting MIME, GPG, PGP and threading Details: It was discovered that Mutt incorrectly handled certain email header content. If a user were tricked into opening a specially crafted message, a remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-4874, CVE-2023-4875) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04: mutt 2.2.9-1ubuntu0.23.04.1 Ubuntu 22.04 LTS: mutt 2.1.4-1ubuntu1.2 Ubuntu 20.04 LTS: mutt 1.13.2-1ubuntu0.6 Ubuntu 18.04 LTS (Available with Ubuntu Pro): mutt 1.9.4-3ubuntu0.6+esm1 Ubuntu 16.04 LTS (Available with Ubuntu Pro): mutt 1.5.24-1ubuntu0.6+esm3 mutt-patched 1.5.24-1ubuntu0.6+esm3 In general, a standard system update will make all the necessary changes. References: CVE-2023-4874, CVE-2023-4875 Package Information: https://launchpad.net/ubuntu/+source/mutt/2.2.9-1ubuntu0.23.04.1 https://launchpad.net/ubuntu/+source/mutt/2.1.4-1ubuntu1.2 https://launchpad.net/ubuntu/+source/mutt/1.13.2-1ubuntu0.6 . Debian 12, 11, 10, and 9 updates for Pine have been released to tackle urgent stability issues and enhance overall system performance. Mutt Security, Denial of Service, Ubuntu Update, Mutt Threats. . Severity: Critical. LinuxSecurity.com Team

Sep 14, 2023 •Critical Ubuntu