{"id":"RLSA-2021:4181","summary":"Moderate: mutt security, bug fix, and enhancement update","details":"Mutt is a low resource, highly configurable, text-based MIME e-mail client. Mutt supports most e-mail storing formats, such as mbox and Maildir, as well as most protocols, including POP3 and IMAP.\n\nThe following packages have been upgraded to a later upstream version: mutt (2.0.7). (BZ#1912614)\n\nSecurity Fix(es):\n\n* mutt: Incorrect handling of invalid initial IMAP responses could lead to an authentication attempt over unencrypted connection (CVE-2020-28896)\n\n* mutt: Memory leak when parsing rfc822 group addresses (CVE-2021-3181)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.5 Release Notes linked from the References section.","modified":"2026-03-11T06:00:31.199948Z","published":"2021-11-09T08:33:45Z","upstream":["CVE-2020-28896","CVE-2021-3181"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:4181"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1890084"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1900826"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1912614"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1920446"}],"affected":[{"package":{"name":"mutt","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/mutt?distro=rocky-linux-8-5-legacy&epoch=5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5:2.0.7-1.el8"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:4181.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}