Improper Null Termination Affecting mutt package, versions *


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.16% (6th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-RHEL8-MUTT-16525949
  • published8 May 2026
  • disclosed4 May 2026

Introduced: 4 May 2026

CVE-2026-43861  (opens in a new tab)
CWE-170  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:8 mutt.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mutt package and not the mutt package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

mutt before 2.3.2 does not check for '\0' in url_pct_decode.

CVSS Base Scores

version 3.1