8.8

CVE-2022-44789: artifex mujs Out-of-bounds Write

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2022-44789DEBIAN-CVE-2022-44789
Published 23-11-2022Last modified 25-04-2025
Open JSON

Vulnerability summary

CVE-2022-44789 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in artifex mujs. EPSS estimates a 2.48% chance of exploitation in the next 30 days, higher than 84.3% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
2.48%
0%100%
Low · +0.14 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
DSA-5291-1

Timeline

  1. 23-11-2022
    PublishedVulnerability first disclosed.
  2. 25-04-2025
    Last modifiedVulnerability information updated.

Description

A logical issue in O_getOwnPropertyDescriptor() in Artifex MuJS 1.0.0 through 1.3.x before 1.3.2 allows an attacker to achieve Remote Code Execution through memory corruption, via the loading of a crafted JavaScript file.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

2.48%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

+0.14 pp

From 2.34% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.48%

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

Debian2 products
Artifex1 product
  • mujs≥ 1.0.0, < 1.3.2
Fedoraproject1 product
Ubuntu1 product
  • mujsAll versions (No fix recorded)

4 vendors · 5 products

References

8 links