PT-2026-36772 · Mutt · Mutt

Published 2026-05-04 · Updated 2026-05-04 · CVE-2026-43859

Mitre

CVSS v3.1

3.7

Low

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

mutt before 2.3.2 sometimes uses strfcpy instead of memcpy for the IMAP auth cram MD5 digest.

Fix

Weakness Enumeration

CWE-158

Related Identifiers

CVE-2026-43859

Affected Products

Mutt

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-43859 · Security Note
• https://github.com/muttmua/mutt/commit/834c5a2ed0479e51e8662a31caed129f136f4805 · Note