CVE-2026-43859 :: 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:L/A:N

Base Score

CVSS 3.x

EPSS Score

Percentile: 5.89%

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	postponed
bullseye (security)	vulnerable
forky	2.4.1-1 fixed
sid	2.4.1-1 fixed
trixie	2.2.13-1+deb13u1 fixed

Ubuntu Releases

Ubuntu Product

Codename

mutt

bionic	needs-triage
focal	needs-triage
jammy	needs-triage
noble	needs-triage
questing	ignored
resolute	needs-triage
xenial	needs-triage

openSUSE / SLES Releases

openSUSE Product

Release

mutt

suse enterprise desktop 15 SP7	2.2.14-150600.3.6.1 fixed
suse enterprise sap 15 SP7	2.2.14-150600.3.6.1 fixed
suse enterprise server 15 SP4	1.10.1-150000.3.29.1 fixed
suse enterprise server 15 SP7	2.2.14-150600.3.6.1 fixed

mutt-doc

suse enterprise desktop 15 SP7	2.2.14-150600.3.6.1 fixed
suse enterprise sap 15 SP7	2.2.14-150600.3.6.1 fixed
suse enterprise server 15 SP4	1.10.1-150000.3.29.1 fixed
suse enterprise server 15 SP7	2.2.14-150600.3.6.1 fixed

mutt-lang

suse enterprise desktop 15 SP7	2.2.14-150600.3.6.1 fixed
suse enterprise sap 15 SP7	2.2.14-150600.3.6.1 fixed
suse enterprise server 15 SP4	1.10.1-150000.3.29.1 fixed
suse enterprise server 15 SP7	2.2.14-150600.3.6.1 fixed

Common Weakness Enumeration

CWE-158 - Improper Neutralization of Null Byte or NUL Character
The software receives input from an upstream component, but it does not neutralize or incorrectly neutralizes NUL characters or null bytes when they are sent to a downstream component.

References

https://github.com/muttmua/mutt/commit/834c5a2ed0479e51e8662a31caed129f136f4805