JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
History

Mon, 19 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla thunderbird
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Vendors & Products Mozilla thunderbird

Thu, 01 Oct 2026 17:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-119
CWE-787
CWE-94

Thu, 01 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-843
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N'}

ssvc

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


Thu, 01 Oct 2026 04:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-119
CWE-787
CWE-94

Thu, 01 Oct 2026 01:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-125
CWE-787

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

Type Values Removed Values Added
Description JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Firefox 157, and Firefox ESR 140.17. JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
References

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

Type Values Removed Values Added
Description JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, and Firefox ESR 140.17. JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Firefox 157, and Firefox ESR 140.17.
References

Wed, 30 Sep 2026 09:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-125
CWE-787

Wed, 30 Sep 2026 03:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-119

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

Type Values Removed Values Added
Weaknesses CWE-119

Tue, 29 Sep 2026 16:30:00 +0000

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

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

Type Values Removed Values Added
Description JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, and Firefox ESR 140.17.
Title JIT miscompilation in the JavaScript: WebAssembly component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2026-09-29T12:36:13.478Z

Updated: 2026-10-01T14:47:37.242Z

Reserved: 2026-09-26T19:17:23.406Z

Link: CVE-2026-100792

cve-icon Vulnrichment

Updated: 2026-10-01T14:47:13.086Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-29T13:17:44.237

Modified: 2026-10-19T15:29:15.073

Link: CVE-2026-100792

cve-icon Redhat

No data.