CVE-2022-38928: xpdfreader xpdf NULL Pointer Dereference
CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2022-38928
Published 21-09-2022Last modified 27-05-2025
Vulnerability summary
CVE-2022-38928 is a high (CVSS 7.8) NULL Pointer Dereference vulnerability in xpdfreader xpdf. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 35.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.43%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 21-09-2022PublishedVulnerability first disclosed.
- 27-05-2025Last modifiedVulnerability information updated.
Description
XPDF 4.04 is vulnerable to Null Pointer Dereference in FoFiType1C.cc:2393.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
36%
Versus all other CVEs
30-day change
0.00 pp
From 0.43% on 19-09-2026
19-09-202619-10-2026
EPSS score0.43%
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
3 links- forum.xpdfreader.com/viewtopic.php?f=3&t=42325&sid=7b08ba9a518a99ce3c5ff40e53fc6421X Refsource MISCREPORTExploitVendor Advisory