CVE-2025-3028
MEDIUM severity · CVSS 6.5 · Use-after-free
6.5CVSS MEDIUM
Summary
JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability was fixed in Firefox 137, Firefox ESR 115.22, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactLow
Availability impactLow
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://www.mozilla.org/security/advisories/mfsa2025-20/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-21/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-22/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-23/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-24/Advisory
- https://lists.debian.org/debian-lts-announce/2025/04/msg00005.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1941002Exploit