CVE catalog

CVE-2021-45005

mujs: CVE-2021-45005

Severity: Critical · CVSS 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: Feb 14, 2022, 10:15:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 1.42% · Oct 25, 2026

Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	mujs	sid	`1.3.11-1`	fixed
Debian	mujs	forky	`1.3.10-2`	fixed
Debian	mujs	trixie	`1.3.6-1`	fixed
Debian	mujs	bookworm	`1.3.2-1`	fixed
Ubuntu	mujs	pro	`1.1.0-1`	vulnerable
Ubuntu	mujs	pro	`1.1.3-2`	vulnerable
Ubuntu	mujs	pro	`1.1.3-3`	vulnerable
Ubuntu	mujs	pro	`1.1.3-3ubuntu0.1~esm1`	fixed
Ubuntu	mujs	pro	`1.1.0-1`	vulnerable
Ubuntu	mujs	pro	`1.1.3-2`	vulnerable
Ubuntu	mujs	pro	`1.1.3-3`	vulnerable
Ubuntu	mujs	pro	`1.1.3-3ubuntu0.1~esm1`	fixed
Opensuse	mujs	tumbleweed	`1.2.0-2.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	mujs	source	sid	`1.1.3-4`	not yet assigned	Not reported	Not reported
Debian	mujs	source	forky	`1.1.3-4`	not yet assigned	Not reported	Not reported
Debian	mujs	source	trixie	`1.1.3-4`	not yet assigned	Not reported	Not reported
Debian	mujs	source	bookworm	`1.1.3-4`	not yet assigned	Not reported	Not reported
Ubuntu	mujs	deb	pro	`1.1.3-3ubuntu0.1~esm1`	Not reported	USN-7575-1	Not reported
Ubuntu	mujs	deb	pro	`1.1.3-3ubuntu0.1~esm1`	Not reported	UBUNTU-CVE-2021-45005	Not reported
Opensuse	mujs	rpm	tumbleweed	`1.2.0-2.1`	Not reported	OPENSUSE-SU-2024:11851-1	Not reported

OpenFactory catalog packages

[openSUSE Tumbleweed]

[mujs-devel]Unknown
Source package: [mujs]
Details (1)
- 1.3.7-3.4 · x86_64 · tumbleweed
  Unknown · Fixed: 1.2.0-2.1
  Version impact unknown
  dsa · mujs · opensuse · tumbleweed
[mujs]Fixed
Source package: [mujs]
Details (1)
- 1.3.7-3.4 · x86_64 · tumbleweed
  Fixed · Fixed: 1.2.0-2.1
  dsa · mujs · opensuse · tumbleweed

[Debian 12 (Bookworm)]

[libmujs2]Fixed
Source package: [mujs]
Details (2)
- 1.3.2-1 · amd64 · bookworm
  Fixed · Fixed: 1.1.3-4
  dsa · mujs · debian · bookworm; dsa · mujs · debian · 12
- 1.3.2-1 · arm64 · bookworm
  Fixed · Fixed: 1.1.3-4
  dsa · mujs · debian · bookworm; dsa · mujs · debian · 12
[libmujs-dev]Fixed
Source package: [mujs]
Details (2)
- 1.3.2-1 · amd64 · bookworm
  Fixed · Fixed: 1.1.3-4
  dsa · mujs · debian · bookworm; dsa · mujs · debian · 12
- 1.3.2-1 · arm64 · bookworm
  Fixed · Fixed: 1.1.3-4
  dsa · mujs · debian · bookworm; dsa · mujs · debian · 12
[mujs]Fixed
Details (2)
- 1.3.2-1 · amd64 · bookworm
  Fixed · Fixed: 1.1.3-4
  dsa · mujs · debian · bookworm; dsa · mujs · debian · 12
- 1.3.2-1 · arm64 · bookworm
  Fixed · Fixed: 1.1.3-4
  dsa · mujs · debian · bookworm; dsa · mujs · debian · 12

[Debian 13 (Trixie)]

[libmujs3]Fixed
Source package: [mujs]
Details (2)
- 1.3.6-1 · amd64 · trixie
  Fixed · Fixed: 1.1.3-4
  dsa · mujs · debian · 13
- 1.3.6-1 · arm64 · trixie
  Fixed · Fixed: 1.1.3-4
  dsa · mujs · debian · 13
[libmujs-dev]Fixed
Source package: [mujs]
Details (2)
- 1.3.6-1 · amd64 · trixie
  Fixed · Fixed: 1.1.3-4
  dsa · mujs · debian · 13
- 1.3.6-1 · arm64 · trixie
  Fixed · Fixed: 1.1.3-4
  dsa · mujs · debian · 13
[mujs]Fixed
Details (2)
- 1.3.6-1 · amd64 · trixie
  Fixed · Fixed: 1.1.3-4
  dsa · mujs · debian · 13
- 1.3.6-1 · arm64 · trixie
  Fixed · Fixed: 1.1.3-4
  dsa · mujs · debian · 13

Observed: Oct 23, 2026, 6:03:50 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]