CVE-2023-3436: xpdf Deadlock
CVSS: 3.3v3.1LowModified
AliasesUBUNTU-CVE-2023-3436
Published 27-06-2023Last modified 07-11-2024
Vulnerability summary
CVE-2023-3436 is a low (CVSS 3.3) Deadlock vulnerability in xpdf. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.3% of scored vulnerabilities.
CVSS score
3.3/10
010
Low · v3.1 (CVE.org)EPSS score
0.17%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 27-06-2023PublishedVulnerability first disclosed.
- 07-11-2024Last modifiedVulnerability information updated.
Description
Xpdf 4.04 will deadlock on a PDF object stream whose "Length" field is itself in another object stream.
CVSS metrics
3 scores · 3 sources · 1 versionLow 3.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:LSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- NVDNIST3.3LowCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
EPSS trend
Probability
0.17%
Chance of exploitation in the next 30 days
Percentile
6%
Versus all other CVEs
30-day change
0.00 pp
From 0.17% on 20-09-2026
20-09-202620-10-2026
EPSS score0.17%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-833DeadlockThe product contains multiple threads or executable segments that are waiting for each other to release a necessary lock, resulting in deadlock.
- CWE-667Improper LockingThe product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.
Affected systems
Ubuntu2 products
- ipeAll versions (No fix recorded)
- xpdfAll versions (No fix recorded)
Xpdf1 product
- xpdf4.04
Xpdfreader1 product
- xpdf4.04
3 vendors · 4 products