Bug 2362904 (CVE-2025-4087) - CVE-2025-4087 firefox: thunderbird: Unsafe attribute access during XPath parsing
Summary: CVE-2025-4087 firefox: thunderbird: Unsafe attribute access during XPath parsing
Keywords:
Status: NEW
Alias: CVE-2025-4087
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: 2025-04-29 14:01 UTC by OSIDB Bzimport
Modified: 2025-04-30 13:16 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2025-04-29 14:01:15 UTC 
A vulnerability was identified in Firefox where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access and potentially, memory corruption. This vulnerability affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and Thunderbird ESR < 128.10.
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