CVE-2026-43863 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
mitre	CNA	3.7 LOW	NETWORK	HIGH	NONE	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Base Score

CVSS 3.x

EPSS Score

Percentile: 9%

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources.

Vendor	Product	Version	Source
mutt	mutt	𝑥 < 2.3.2	CNA

Debian Releases

Debian Product

Codename

mutt

bookworm	no-dsa
bookworm (security)	vulnerable
bullseye	vulnerable
bullseye (security)	vulnerable
forky	vulnerable
sid	vulnerable
trixie	no-dsa

Common Weakness Enumeration

CWE-253 - Incorrect Check of Function Return Value
The software incorrectly checks a return value from a function, which prevents the software from detecting errors or exceptional conditions.

Vulnerability Media Exposure

[GERMAN] mutt: Mehrere Schwachstellen
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in mutt ausnutzen, um Sicherheitsvorkehrungen zu umgehen und um einen Denial-of-Service-Zustand herbeizuführen.
Published: 2026-05-03T22:00:00+00:00

References

https://github.com/muttmua/mutt/commit/fdc04a171777327218a1e78db504926c388b48c4