CVEvulnerability
CVE-2025-10529
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2025-09-16
- Last modified
- 2026-10-23
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-942
Description
Same-origin policy bypass in the Layout component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.
Affected configurations
• mozilla firefox (< 140.3.0)
• mozilla firefox (< 143.0)
• mozilla thunderbird (< 143.0)
Related
Weakness · CWE (1)
- CWE-942 Permissive Cross-domain Security Policy with Untrusted Domains weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1970490 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-73/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-75/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-77/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-78/ Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2025/09/msg00020.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2025/09/msg00026.html lists.debian.org