CVEvulnerability
CVE-2025-4087
4.8 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2025-04-29
- Last modified
- 2026-10-05
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 4.8 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-125
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.
Affected configurations
• mozilla firefox (< 128.10)
• mozilla firefox (< 138.0)
• mozilla thunderbird (< 128.10.0)
• mozilla thunderbird (< 138.0)
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1952465 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-28/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-29/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-31/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-32/ Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2025/05/msg00024.html lists.debian.org