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CVE-2023-4874

Published: 9 September 2023

Null pointer dereference when viewing a specially crafted email in Mutt >1.5.2 <2.2.12

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
mutt
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
upstream
Released (2.2.12-0.1)
bionic
Released (1.9.4-3ubuntu0.6+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
focal
Released (1.13.2-1ubuntu0.6)
jammy
Released (2.1.4-1ubuntu1.2)
lunar
Released (2.2.9-1ubuntu0.23.04.1)
xenial
Released (1.5.24-1ubuntu0.6+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
mantic
Released (2.2.9-1ubuntu0.23.10.1)
Patches:
upstream: https://gitlab.com/muttmua/mutt/-/commit/452ee330e094bfc7c9a68555e5152b1826534555
upstream: https://gitlab.com/muttmua/mutt/-/commit/a4752eb0ae0a521eec02e59e51ae5daedf74fda0

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H