Bug 2517864 (CVE-2026-74955) - CVE-2026-74955 firefox: Privilege escalation in the Request Handling component
Summary: CVE-2026-74955 firefox: Privilege escalation in the Request Handling component
Keywords:
Status: NEW
Alias: CVE-2026-74955
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-18 12:56 UTC by OSIDB Bzimport
Modified: 2026-08-20 22:10 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2026-08-18 12:56:37 UTC 
Privilege escalation in the Request Handling component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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