CVE-2025-11153

7.5 highEPSS 0.2%

High (7.5) in mozilla firefox. EPSS 0.2% chance of exploitation in the next 30 days.

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 143.0.3.

Severity

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-31)
CWE: CWE-94
Published: 2025-09-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19