Poppler: UNKNOWN READ in XRef::parseEntry
A vulnerability in the Poppler PDF rendering library involves an UNKNOWN READ error in the XRef::parseEntry function, as reported by OSS-Fuzz. The issue occurs during parsing of PDF cross-reference entries, potentially leading to a crash. No specific affected versions or patches are currently identified. There is no evidence of exploitation in the wild. The vulnerability's impact and exploitability remain unclear due to limited technical details.
AI Analysis
Technical Summary
This vulnerability in Poppler was identified through OSS-Fuzz as an UNKNOWN READ crash occurring in the XRef::parseEntry function, which is part of the PDF cross-reference parsing process. The crash stack includes XRef::getEntry and Parser::makeStream, indicating the issue arises during PDF stream parsing. No CVSS score or detailed impact analysis is available, and no affected versions or patches have been disclosed. The vulnerability has not been reported as exploited in the wild.
Potential Impact
The vulnerability causes an UNKNOWN READ crash in Poppler's PDF parsing code, which may lead to denial of service via application crash. Without further details, the potential for information disclosure or code execution cannot be confirmed. No known exploits have been reported, and the impact is currently limited to application instability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider limiting exposure to untrusted PDF files and monitor for updates from Poppler maintainers or OSS-Fuzz reports.
Poppler: UNKNOWN READ in XRef::parseEntry
Description
A vulnerability in the Poppler PDF rendering library involves an UNKNOWN READ error in the XRef::parseEntry function, as reported by OSS-Fuzz. The issue occurs during parsing of PDF cross-reference entries, potentially leading to a crash. No specific affected versions or patches are currently identified. There is no evidence of exploitation in the wild. The vulnerability's impact and exploitability remain unclear due to limited technical details.
Affected software
pkg:generic/popplerRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Poppler was identified through OSS-Fuzz as an UNKNOWN READ crash occurring in the XRef::parseEntry function, which is part of the PDF cross-reference parsing process. The crash stack includes XRef::getEntry and Parser::makeStream, indicating the issue arises during PDF stream parsing. No CVSS score or detailed impact analysis is available, and no affected versions or patches have been disclosed. The vulnerability has not been reported as exploited in the wild.
Potential Impact
The vulnerability causes an UNKNOWN READ crash in Poppler's PDF parsing code, which may lead to denial of service via application crash. Without further details, the potential for information disclosure or code execution cannot be confirmed. No known exploits have been reported, and the impact is currently limited to application instability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider limiting exposure to untrusted PDF files and monitor for updates from Poppler maintainers or OSS-Fuzz reports.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- OSV-2026-599
- Osv Schema Version
- 1.7.5
- Aliases
- []
- Ecosystems
- ["OSS-Fuzz"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a71066dbf32cb7a343955a6
Added to database: 08/03/2026, 21:21:49 UTC
Last enriched: 08/03/2026, 21:35:08 UTC
Last updated: 08/03/2026, 21:35:08 UTC
Views: 2
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