JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
Conclusion & alert: CVE-2025-13024 is rated Moderate Risk (45.3/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.06%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-17 | 0.02% | 0.06% | +0.04% |
| 2 | 2025-11-12 | — | 0.02% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2025-13024: 2 source package rows (firefox, thunderbird); 249 state rows across 3 repos (3.22-community, 3.23-community, edge-community); fixed 0, open 249. | https://security.alpinelinux.org/vuln/CVE-2025-13024 |
debian
|
not yet assigned | CVE-2025-13024 not yet assigned priority: Debian including 1 source packages (firefox), 1 status rows across 1 suites (sid): resolved 1. | https://security-tracker.debian.org/tracker/CVE-2025-13024 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2025-13024 |
suse
|
high | — | https://www.suse.com/security/cve/CVE-2025-13024/ |
ubuntu
|
medium | CVE-2025-13024 medium priority: Ubuntu including 9 source packages (firefox, mozjs102, …), 49 status rows across 7 suites (bionic, focal, jammy, noble, plucky, questing, upstream): DNE 22, needs-triage 10, ignored 9, not-affected 8. | https://ubuntu.com/security/CVE-2025-13024 |
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1992902 | Permissions Required |
| https://www.mozilla.org/security/advisories/mfsa2025-87/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-90/ |