CVE-2024-7868: xpdf Use of Uninitialized Variable
CVSS: 8.2v3.1HighModified
AliasesUBUNTU-CVE-2024-7868
Published 15-08-2024Last modified 06-10-2025
Vulnerability summary
CVE-2024-7868 is a high (CVSS 8.2) Use of Uninitialized Variable vulnerability in xpdf. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.7% of scored vulnerabilities.
CVSS score
8.2/10
010
High · v3.1 (NVD)EPSS score
0.39%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-08-2024PublishedVulnerability first disclosed.
- 06-10-2025Last modifiedVulnerability information updated.
Description
In Xpdf 4.05 (and earlier), invalid header info in a DCT (JPEG) stream can lead to an uninitialized variable in the DCT decoder. The proof-of-concept PDF file causes a segfault attempting to read from an invalid address.
CVSS metrics
5 scores · 3 sources · 2 versionsLow 2.1Preferred score · CVE.org (CNA)
CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated2.1LowCVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- NVDNIST2.1LowCVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
High 8.2Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
EPSS trend
Probability
0.39%
Chance of exploitation in the next 30 days
Percentile
32%
Versus all other CVEs
30-day change
0.00 pp
From 0.39% on 19-09-2026
19-09-202619-10-2026
EPSS score0.39%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu2 products
- ipeAll versions (No fix recorded)
- xpdfAll versions (No fix recorded)
Xpdf1 product
- xpdf≤ 4.05
Xpdfreader1 product
- xpdf< 4.06
3 vendors · 4 products
References
4 links- www.xpdfreader.com/security-bug/CVE-2024-7868.htmlVendor Advisory
