Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4814-1 firefox-esr security update
Debian DSA Debian DSA DSA-6533-1 firefox-esr security update
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 30 Sep 2026 17:45:00 +0000

Type Values Removed Values Added
Description Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, and Firefox 157. Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
References

Wed, 30 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Description Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157. Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, and Firefox 157.
References

Tue, 29 Sep 2026 17:15:00 +0000

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

Tue, 29 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-119
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 29 Sep 2026 13:15:00 +0000

Type Values Removed Values Added
Description Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.
Title Incorrect boundary conditions in the JavaScript Engine: JIT component
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-09-30T17:21:03.168Z

Reserved: 2026-09-26T19:18:18.950Z

Link: CVE-2026-100814

cve-icon Vulnrichment

Updated: 2026-09-29T14:24:54.735Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-29T13:17:46.550

Modified: 2026-09-30T18:18:11.107

Link: CVE-2026-100814

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-01T01:15:13Z

Weaknesses