ZDI-26-721: Foxit PDF Reader U3D File Parsing Integer Overflow Remote Code Execution Vulnerability
ZDI disclosed a Foxit PDF Reader U3D integer overflow that can enable remote code execution.
ZDI-26-721 covers an integer overflow in Foxit PDF Reader while parsing U3D content, which can allow remote code execution. A user must open a malicious file or visit a malicious page. ZDI assigned CVSS 7.8 and CVE-2026-91789. The advisory does not say the flaw is being exploited.
- U3D file parsing has an integer overflow.
- The flaw can lead to remote code execution.
- Exploitation needs a malicious file or page.
- ZDI rates it CVSS 7.8 as CVE-2026-91789.
- CVEs
- CVE-2026-91789
- Vendors
- Foxit
- Products
- Foxit PDF Reader
- Organizations
- Zero Day Initiative
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-91789 | RCE in Foxit PDF Editor/Reader Texture Decoding Path (CVE-2026-91789) | 7.8 | — |
From the original article
This vulnerability allows remote attackers to execute arbitrary code 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 7.
zerodayinitiative.com
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