9.8

CVE-2021-45005: artifex mujs Out-of-bounds Write

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2021-45005DEBIAN-CVE-2021-45005openSUSE-SU-2024:11851-1
Published 14-02-2022Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-45005 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in artifex mujs. EPSS estimates a 1.42% chance of exploitation in the next 30 days, higher than 72.3% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.42%
0%100%
Low · -0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
USN-7575-1

Timeline

  1. 14-02-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.42%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

-0.04 pp

From 1.46% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.42%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Artifex1 product
Debian1 product
  • mujs< 1.1.3-4
Opensuse1 product
  • mujs&distro=openSUSE Tumbleweed< 1.2.0-2.1
Ubuntu1 product
  • mujs< 1.1.3-3ubuntu0.1~esm1

4 vendors · 4 products

References

7 links