Bug 2517852 (CVE-2026-74954) - CVE-2026-74954 firefox: thunderbird: Information disclosure due to side-channel in the Storage: Cache API component
Summary: CVE-2026-74954 firefox: thunderbird: Information disclosure due to side-chann...
Keywords:
Status: NEW
Alias: CVE-2026-74954
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-18 12:55 UTC by OSIDB Bzimport
Modified: 2026-08-21 01:03 UTC (History)
5 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-08-18 12:55:21 UTC 
Information disclosure due to side-channel in the Storage: Cache API component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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