Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Mozilla
  • Firefox

No data.

No data.

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Vendors Products
Mozilla
  • Firefox
References
Link Providers
https://bugzilla.mozilla.org/show_bug.cgi?id=2037770 cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-68/ cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-70/ cve-icon
History

Wed, 22 Jul 2026 02:45:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Vendors & Products Mozilla
Mozilla firefox

Tue, 21 Jul 2026 12:45:00 +0000

Type Values Removed Values Added
Description Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
Title Mitigation bypass in the PDF Viewer component
References
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-07-21T12:37:52.135Z

Reserved: 2026-07-20T21:56:42.653Z

Link: CVE-2026-16377

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-22T02:30:13Z