What is GHSA-qgw4-jqw6-383q?

GHSA-qgw4-jqw6-383q is a security advisory published by GitHub Security Advisories with Medium severity. Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 155.

Which CVE IDs does GHSA-qgw4-jqw6-383q cover?

GHSA-qgw4-jqw6-383q covers the following CVE IDs: CVE-2026-84138. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-qgw4-jqw6-383q?

GHSA-qgw4-jqw6-383q has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-qgw4-jqw6-383qMediumCVSS 6.5

Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 155.

Vendor

GitHub Security Advisories

Published

September 1, 2026

Last Modified

September 3, 2026

🔗 CVE IDs covered (1)

CVE-2026-84138 →

📋 Description

Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 155.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-84138
https://bugzilla.mozilla.org/show_bug.cgi?id=2056164
https://www.mozilla.org/security/advisories/mfsa2026-82
https://www.mozilla.org/security/advisories/mfsa2026-86
https://github.com/advisories/GHSA-qgw4-jqw6-383q