CVEvulnerability
CVE-2025-4093
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2025-04-29
- Last modified
- 2026-10-05
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-119
Description
Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 128.10 and Thunderbird 128.10.
Affected configurations
• mozilla firefox (< 128.10)
• mozilla thunderbird (< 128.10.0)
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1894100 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-29/ 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