JIT miscompilation in the JavaScript Engine: JIT component
Summary
| CVE | CVE-2026-16392 |
|---|---|
| State | PUBLISHED |
| Assigner | mozilla |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-07-21 13:17:14 UTC |
| Updated | 2026-07-22 20:16:57 UTC |
| Description | JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. |
Risk And Classification
EPSS: 0.001410000 probability, percentile 0.038550000 (date 2026-07-22)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Mozilla | Firefox | unaffected 153 * rpm | Not specified |
| CNA | Mozilla | Thunderbird | unaffected 153 * rpm | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.mozilla.org/security/advisories/mfsa2026-71 | [email protected] | www.mozilla.org | |
| www.mozilla.org/security/advisories/mfsa2026-68 | [email protected] | www.mozilla.org | |
| bugzilla.mozilla.org/show_bug.cgi | [email protected] | bugzilla.mozilla.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Gary Kwong (en)
There are currently no legacy QID mappings associated with this CVE.