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mutt

A vulnerability in mutt before version 2.3.2 causes the hash_passwd to sometimes be truncated by one byte during IMAP auth_cram MD5 digest processing. This issue can lead to integrity problems in authentication. The CVSS score is 3.7, indicating a medium severity level.

The mutt email client versions prior to 2.3.2 have a flaw where the hash_passwd value used in the IMAP auth_cram MD5 digest authentication mechanism is occasionally truncated by one byte. This truncation can affect the integrity of the authentication process, potentially causing incorrect authentication behavior. The vulnerability is identified as CVE-2026-43860 and has a CVSS 3.1 base score of 3.7, with network attack vector, high attack complexity, no privileges required, no user interaction, unchanged scope, no confidentiality impact, limited integrity impact, and no availability impact.

mutt before 2.3.2 sometimes truncates the hash_passwd by one byte for IMAP auth_cram MD5 digest. (CVE-2026-43860)

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Threats Tagged 'ubuntu-cve-2026-43860'

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