What is GHSA-9vcg-w84f-mxjf?

GHSA-9vcg-w84f-mxjf is a security advisory published by GitHub Security Advisories with High severity. A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s rendering of...

Which CVE IDs does GHSA-9vcg-w84f-mxjf cover?

GHSA-9vcg-w84f-mxjf covers the following CVE IDs: CVE-2026-91804. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-9vcg-w84f-mxjf?

GHSA-9vcg-w84f-mxjf has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-9vcg-w84f-mxjfHighCVSS 7.8

A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s rendering of...

Vendor

GitHub Security Advisories

Published

September 23, 2026

Last Modified

September 23, 2026

🔗 CVE IDs covered (1)

CVE-2026-91804 →

📋 Description

A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s rendering of Circle annotations with malformed Cloudy appearance streams in specially crafted PDF files. Insufficient validation of the appearance geometry can result in memory corruption and application crashes.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-91804
https://www.foxit.com/support/security-bulletins.html
https://github.com/advisories/GHSA-9vcg-w84f-mxjf