CVE-2026-43860

LOW

mutt < 2.3.2 - Off-by-one Error in IMAP CRAM-MD5 Password Hashing

Title source: llm
STIX 2.1

Description

mutt before 2.3.2 sometimes truncates the hash_passwd by one byte for IMAP auth_cram MD5 digest.

References (1)

Core 1

Scores

CVSS v3 3.7
EPSS 0.0016
EPSS Percentile 5.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-193
Status published
Products (1)
mutt/mutt < 2.3.2
Published May 04, 2026
Tracked Since May 04, 2026