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ZDI-26-736: Foxit PDF Reader PDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI Published Advisories ()1
Part of a story covered by 21 sourcesZDI Publishes Ten Foxit PDF Reader CVSS 7.8 BugsMerged summary & timeline
AI summary · grok-4.7Summaries by Vani AI

ZDI disclosed a Foxit PDF Reader out-of-bounds read that can disclose sensitive information.

ZDI published ZDI-26-736, an out-of-bounds read in Foxit PDF Reader PDF file parsing tracked as CVE-2026-91807. Remote attackers could disclose sensitive information if a user opens a malicious file or visits a malicious page. ZDI assigned a CVSS score of 3.3. No exploitation in the wild is described.

Key facts
  • CVE-2026-91807 is an out-of-bounds read during PDF file parsing.
  • The vulnerability can disclose sensitive information from Foxit PDF Reader.
  • A user must open a malicious file or visit a malicious page.
  • ZDI assigned CVSS 3.3 and reported no active exploitation.
Analyze CVE-2026-91807 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2026-91807
Heap Out-of-Bounds Read in Foxit PDF Editor/Reader Soft-Mask Parsing
6.1—

From the original article

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 3.

ZDI Published Advisories

zerodayinitiative.com

Read the full article at ZDI Published Advisories

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.