{"id":"CVE-2025-12380","title":"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","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 vuln…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-416"],"vendor":"mozilla","product":"firefox","affected":["firefox >= 142.0, < 144.0.2"],"patched":["firefox 144.0.2"],"published":"2025-10-28","updated":"2026-10-08","sourceUpdated":"2026-10-08T11:10:00.250","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-12380","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1993113","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-86/","label":"security@mozilla.org"}],"tags":["nvd"],"epss":0.00338,"epssPercentile":0.27024,"ingestedAt":"2026-09-30T17:13:20.716Z","slug":"CVE-2025-12380","body":"## Overview\n\nStarting 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.\n\n## Affected\n\n- `firefox >= 142.0, < 144.0.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `firefox 144.0.2`","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}