Bug 2349791 (CVE-2025-1942) - CVE-2025-1942 firefox: Disclosure of uninitialized memory when .toUpperCase() causes string to get longer
Summary: CVE-2025-1942 firefox: Disclosure of uninitialized memory when .toUpperCase()...
Keywords:
Status: NEW
Alias: CVE-2025-1942
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: 2025-03-04 14:01 UTC by OSIDB Bzimport
Modified: 2025-09-01 08:28 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2025-03-04 14:01:17 UTC 
When String.toUpperCase() caused a string to get longer it was possible for uninitialized memory to be incorporated into the result string This vulnerability affects Firefox < 136.
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