VulnerabilityModified
CVE-2025-3028
JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free.
MEDIUM 6.5EPSS 0.85%
Does this matter?
Lower severity and a low EPSS score (0.85%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
- EPSS
- 0.85% probability · 56th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- mozilla/firefox · mozilla/thunderbird
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1941002Exploit, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-20/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-21/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-22/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-23/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-24/Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2025/04/msg00005.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.