Copyright © 2012 Red Hat, Inc. All rights reserved. Low 2026-05-04T06:00:46 mutt: Mutt: Security bypass due to mishandled IMAP authentication 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N CWE-843

A flaw was found in mutt, an email client. The `imap_auth_gss` security level, which is used for secure IMAP (Internet Message Access Protocol) authentication, is mishandled. This vulnerability could allow an attacker to bypass certain security protections, potentially leading to a low impact on data integrity.

Red Hat Enterprise Linux 10 Fix deferred mutt Red Hat Enterprise Linux 6 Out of support scope mutt Red Hat Enterprise Linux 7 Fix deferred mutt Red Hat Enterprise Linux 8 Fix deferred mutt Red Hat Enterprise Linux 9 Fix deferred mutt https://www.cve.org/CVERecord?id=CVE-2026-43862 https://nvd.nist.gov/vuln/detail/CVE-2026-43862 https://github.com/muttmua/mutt/commit/f547a849cdacb512800a5f477c27de217e1c8151