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CVE-2025-3028Use-after-free triggered by XSLTProcessor
- 6.5MediumCVSS base score
- 0.87%Exploitation in 30 daysEPSS · top 41% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mozilla
- 1 day later
· 1 day later
Published
- 13 months later
· 13 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L |
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L |
- EPSS (exploitation in 30 days)
- 0.87% · top 41% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Affected products
- unaffected 115.22 – ≤ 115.*
- unaffected 128.9 – ≤ 128.*
- unaffected 137 – ≤ *
- unaffected 128.9 – ≤ 128.*
- unaffected 137 – ≤ *
References
References7
- https://bugzilla.mozilla.org/show_bug.cgi?id=1941002 (opens in a new tab)
- https://www.mozilla.org/security/advisories/mfsa2025-20/ (opens in a new tab)
- https://www.mozilla.org/security/advisories/mfsa2025-21/ (opens in a new tab)
- https://www.mozilla.org/security/advisories/mfsa2025-22/ (opens in a new tab)
- https://www.mozilla.org/security/advisories/mfsa2025-23/ (opens in a new tab)
- https://www.mozilla.org/security/advisories/mfsa2025-24/ (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/04/msg00005.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-9294 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-3028)Record last updated .