Incorrect Check of Function Return Value Affecting mutt package, versions <2.2.13-1+deb13u1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.32% (23rd percentile)

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  • Snyk IDSNYK-ECHOLATEST-MUTT-20675226
  • published9 Oct 2026
  • disclosed4 May 2026

Introduced: 4 May 2026

CVE-2026-43863  (opens in a new tab)
CWE-253  (opens in a new tab)

How to fix?

Upgrade Echo:latest mutt to version 2.2.13-1+deb13u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mutt package and not the mutt package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

mutt before 2.3.2 has an infinite loop in data_object_to_stream in crypt-gpgme.c.

CVSS Base Scores

version 3.1