Description
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
Published: 2026-10-27
Score: n/a
EPSS: n/a
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 27 Oct 2026 18:45:00 +0000

Type Values Removed Values Added
Description JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, and Thunderbird 159. JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
References

Tue, 27 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Description JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6. JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, and Thunderbird 159.
References

Tue, 27 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-480
CWE-665

Tue, 27 Oct 2026 16:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Vendors & Products Mozilla
Mozilla firefox

Tue, 27 Oct 2026 14:15:00 +0000

Type Values Removed Values Added
Description JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.
Title JIT miscompilation in the JavaScript Engine: JIT component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-10-27T18:28:27.467Z

Reserved: 2026-10-27T14:05:13.377Z

Link: CVE-2026-117890

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-27T14:16:44.377

Modified: 2026-10-27T19:17:14.270

Link: CVE-2026-117890

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-27T17:15:06Z

Weaknesses