CVE-2022-41843: xpdfreader xpdf NULL Pointer Dereference
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2022-41843
Published 30-09-2022Last modified 20-05-2025
Vulnerability summary
CVE-2022-41843 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in xpdfreader xpdf. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.36%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 30-09-2022PublishedVulnerability first disclosed.
- 20-05-2025Last modifiedVulnerability information updated.
Description
An issue was discovered in Xpdf 4.04. There is a crash in convertToType0 in fofi/FoFiType1C.cc, a different vulnerability than CVE-2022-38928.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 5.5Preferred score · CVE.org (CNA)
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:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.36%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
+0.01 pp
From 0.35% on 21-09-2026
21-09-202621-10-2026
EPSS score0.36%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (forum.xpdfreader.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Ubuntu1 product
- ipeAll versions (No fix recorded)
Xpdfreader1 product
- xpdf4.04
2 vendors · 2 products
References
4 links- forum.xpdfreader.com/viewtopic.php?f=3&t=42325&sid=7b08ba9a518a99ce3c5ff40e53fc6421X Refsource MISCREPORTExploitVendor Advisory