Security Advisory

CVE-2026-16377

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-21 12:37:52

Last updated 2026-07-22 19:18:39

Assigner mozilla

CVSS score 9.8

State PUBLISHED

Description

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

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