LOW
CVE-2023-3436
CWE-833Published: June 27, 2023· Updated: Jun 17, 2026
3.3
CVSS v3.1
Official Description
Xpdf 4.04 will deadlock on a PDF object stream whose "Length" field is itself in another object stream.
Technical Analysis
CVE-2023-3436 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityLow
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Affected Vendors & Products
xpdfreader1 product(s)
xpdf
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
All References (2)
→
https://forum.xpdfreader.com/viewtopic.php?t=42618Issue Tracking
→
https://forum.xpdfreader.com/viewtopic.php?t=42618Issue Tracking
Quick Facts
CVE IDCVE-2023-3436
CVSS Score3.3 / 10
SeverityLOW
WeaknessCWE-833
CISA KEVNo
Affected1 vendor(s)
PublishedJun 27, 2023
Related CVEs (CWE-833)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-3436 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.