JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Firefox 157.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Mozilla Firefox affected
Version Status Constraints
157 unaffected ≤ *

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://bugzilla.mozilla.org/show_bug.cgi?id=2073268 cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-97/ cve-icon cve-icon
History

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

Type Values Removed Values Added
Description JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Firefox 157.
Title JIT miscompilation in the JavaScript Engine component
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-09-29T12:36:14.014Z

Reserved: 2026-09-26T19:17:25.865Z

Link: CVE-2026-100793

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-29T13:17:44.340

Modified: 2026-09-29T13:17:44.340

Link: CVE-2026-100793

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses

No weakness.