CVE-2021-45005 — Out-of-bounds Write in Mujs

CWE-787 — Out-of-bounds Write7 documents6 sources
Severity
9.8CRITICALNVD
EPSS
0.2%
top 58.40%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Artifex Mujs
Timeline
PublishedFeb 14
Latest updateJun 18

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶Debianartifex/mujs< 1.1.0-1+deb11u1+3
▶Ubuntuartifex/mujs< 1.1.3-3ubuntu0.1~esm1
▶NVDartifex/mujs1.1.3

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

4
OSV
mujs vulnerabilities↗2025-06-18
▶
GHSA
GHSA-4ch9-x597-xpg3: Artifex MuJS v1↗2022-02-15
▶
CVEList
CVE-2021-45005: Artifex MuJS v1↗2022-02-14
▶
OSV
CVE-2021-45005: Artifex MuJS v1↗2022-02-14
▶

📋Vendor Advisories

2
Ubuntu
MuJS vulnerabilities↗2025-06-18
▶
Debian
CVE-2021-45005: mujs - Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is ca...↗2021
▶
CVE-2021-45005 — Out-of-bounds Write in Artifex Mujs | cvebase