CVE-2025-12380 json
Use-after-free in WebGPU internals triggered from a compromised child process
published 2025-10-28 12 mo ago modified 2026-10-08 32 d ago also EUVD-2025-36530
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 27%
- public exploits
- 0
- none known
Summary
Starting with Firefox 142, it was possible for a compromised child process to trigger a use-after-free in the GPU or browser process using WebGPU-related IPC calls. This may have been usable to escape the child process sandbox. This vulnerability was fixed in Firefox 144.0.2.
Patch / fix
- mozilla firefox 144.0.2
- firefox-esr openSUSE Tumbleweed 153.0-1.1
- MozillaFirefox openSUSE Tumbleweed 144.0.2-1.1
opensuse advisories openSUSE-SU-2026:11373-1openSUSE-SU-2025:15686-1
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 12 mo ago
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Mozilla Firefox
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
bugzilla.mozilla.org
/show_bug.cgi?id=1993113
permissions-required, vendor-advisory
-
mozilla.org
/security/advisories/mfsa2025-86/
vendor-advisory
Sources
- CVE List CVE-2025-12380
- NVD CVE-2025-12380
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.