ZDI-26-739: Foxit PDF Reader Doc Object Out-Of-Bounds Read Information Disclosure Vulnerability
ZDI disclosed a low-severity Foxit PDF Reader out-of-bounds read that can leak information.
The Zero Day Initiative published ZDI-26-739, an out-of-bounds read in Foxit PDF Reader Doc object handling tracked as CVE-2026-91810. ZDI assigned CVSS 3.3 and says a remote attacker can disclose sensitive information if a user opens a malicious file or visits a malicious page. Exploitation in the wild is not mentioned.
- CVE-2026-91810 is an out-of-bounds read in Foxit PDF Reader Doc objects.
- ZDI rates the information-disclosure flaw CVSS 3.3.
- A user must open a malicious file or visit a malicious page.
- No in-the-wild exploitation is reported.
- CVEs
- CVE-2026-91810
- Vendors
- Foxit
- Products
- Foxit PDF Reader
- Organizations
- Zero Day Initiative
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-91810 | Heap Out-of-Bounds Read in Foxit PDF Editor/Reader via Malicious PDF Image Mask | 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.
zerodayinitiative.com
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.