VIR Vulnerability Intelligence Relay

CVE-2026-43859

low
Published 2026-05-04 · Modified 2026-05-05
CVSS v3
3.7
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v2
—
VIR risk
3.7

Description

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

Predictions

Exploit likelihood
47%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-43859

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2026-43859.html

OS impact
OSVersionStatusFixed in
suse slesaffected
debian debianbookwormaffected
debian debianbullseyeaffected
debian debianforkyaffected
debian debiansidaffected
debian debiantrixieaffected

References

CWEs

CWE-158

Verify integrity in audit chain (admin only). AS-IS.