Home/CVE/Xpdf 4.04 will deadlock on a PDF object stream whose "Length" field is itself in another object stream.
CVE

CVE-2023-3436

Xpdf 4.04 will deadlock on a PDF object stream whose "Length" field is itself in another object stream.

Xpdf 4.04 will deadlock on a PDF object stream whose "Length" field is itself in another object stream.

LOW · CVSS 3.3 EPSS 0.00019
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-667Improper Locking
CWE-833Deadlock
▤

Affected Products & Versions

1
xpdfreader xpdfall versions
▣

Scoring & Timeline

3.3
LOW · CVSS v3.1 · xpdf@xpdfreader.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Jun 2023 · 09:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://forum.xpdfreader.com/viewtopic.php?t=42618Issue Tracking
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