Description

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.

INFO

Published Date :

2025-04-29T13:13:42.302Z

Last Modified :

2025-04-29T15:53:18.803Z

Source :

mozilla
AFFECTED PRODUCTS

The following products are affected by CVE-2025-4087 vulnerability.

No data.

REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-4087.

URL Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1952465 cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-28/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-29/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-31/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-32/ cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact