CVE-2026-91811

HIGHCVSS 7.8

Description

A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s PRC parser due to insufficient validation of vertex indices in triangular fan texture meshes. Successful exploitation could result in memory corruption and an application crash.

Timeline

Published:September 23rd, 2026 8:17 AM

Last modified:October 15th, 2026 2:10 PM

CVSS Scoring

CVSS v3: 7.8 (HIGH)

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Software

From NVD CPE configuration data

Vendors

foxit

Products

pdf_editorpdf_reader

Weaknesses (CWE)

CWE-787

References & Reports

Advisories, patches, and third-party reports

https://www.foxit.com/support/security-bulletins.htmlVendor Advisory

Source: NIST NVD · Data may lag official sources by up to one minute