Improper Neutralization of Null Byte or NUL Character Affecting mutt package, versions <2.2.14-150600.3.6.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.26% (16th 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-SLES157-MUTT-17253755
  • published9 Jun 2026
  • disclosed8 Jun 2026

Introduced: 8 Jun 2026

CVE-2026-43861  (opens in a new tab)
CWE-158  (opens in a new tab)

How to fix?

Upgrade SLES:15.7 mutt to version 2.2.14-150600.3.6.1 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 SLES. See How to fix? for SLES:15.7 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