by Kastro
Paper/Archive/CVE-2025-14324

CVE-2025-14324

Mozilla Firefox — JIT miscompilation in the JavaScript Engine: JIT component

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (ADP, NVD agree)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 46.8.468 × 209.4No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

Affected

ProductAffectedFixed inSource
Firefoxsee advisory115.31CNA
Thunderbirdsee advisory140.6CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refbugzilla.mozilla.org/show_bug.cgi?id=1996840refmozilla.org/security/advisories/mfsa2025-92refmozilla.org/security/advisories/mfsa2025-93refmozilla.org/security/advisories/mfsa2025-94refmozilla.org/security/advisories/mfsa2025-95refmozilla.org/security/advisories/mfsa2025-96