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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2025-4087 Detail

Current Description

A vulnerability was identified in Thunderbird 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 was fixed in Firefox 138, Firefox ESR 128.10, Thunderbird 138, and Thunderbird 128.10.


View Analysis Description

Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=1952465 Mozilla Corporation Permissions Required 
https://lists.debian.org/debian-lts-announce/2025/05/msg00024.html CVE
https://www.mozilla.org/security/advisories/mfsa2025-28/ Mozilla Corporation Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2025-29/ Mozilla Corporation Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2025-31/ Mozilla Corporation Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2025-32/ Mozilla Corporation Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-125 Out-of-bounds Read CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-4087
NVD Published Date:
04/29/2025
NVD Last Modified:
04/13/2026
Source:
Mozilla Corporation