CVE-2022-30975: artifex mujs NULL Pointer Dereference
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2022-30975DEBIAN-CVE-2022-30975
Published 18-05-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-30975 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in artifex mujs. EPSS estimates a 1.15% chance of exploitation in the next 30 days, higher than 66.2% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
1.15%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 18-05-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
In Artifex MuJS through 1.2.0, jsP_dumpsyntax in jsdump.c has a NULL pointer dereference, as demonstrated by mujs-pp.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.15%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
+0.02 pp
From 1.13% on 19-09-2026
19-09-202619-10-2026
EPSS score1.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundMujs
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian2 products
- mujs< 1.2.0-3
- debian_linuxEOL11.0
Artifex1 product
- mujs≤ 1.2.0
Fedoraproject1 product
- fedoraEOL37
Ubuntu1 product
- mujs< 1.1.3-3ubuntu0.1~esm1
4 vendors · 5 products
References
7 links
- lists.fedoraproject.org/archives/…Vendor Advisory