// For flags

CVE-2023-3436

Deadlock in Xpdf 4.04 due to PDF object stream references

Severity Score

3.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

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

Multiple vulnerabilities have been found in Xpdf, the worst of which could result in denial of service. Versions greater than or equal to 4.05 are affected.

*Credits: Jiahao Liu
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
Poc
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-06-27 CVE Reserved
  • 2023-06-27 CVE Published
  • 2024-11-07 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-667: Improper Locking
  • CWE-833: Deadlock
CAPEC
References (1)
URL Tag Source
https://forum.xpdfreader.com/viewtopic.php?t=42618 Issue Tracking
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Xpdfreader
Search vendor "Xpdfreader"
 Xpdf
Search vendor "Xpdfreader" for product "Xpdf"
 4.04
Search vendor "Xpdfreader" for product "Xpdf" and version "4.04"
-
Affected