CVE-2025-3028
Last modified
CVE-2025-3028 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.77% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 115.22.0 |
| Mozilla | Firefox | < 137.0 |
| Mozilla | Firefox | >= 116.0, < 128.9.0 |
| Mozilla | Thunderbird | < 128.9.0 |
| Mozilla | Thunderbird | >= 129.0, <= 137.0 |
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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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