Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.

Metrics

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.

Affected Vendors & Products

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Advisories

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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=2068395 cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-118/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-119/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-120/ cve-icon cve-icon
History

Tue, 27 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-416

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

Type Values Removed Values Added
Description Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.
Title Use-after-free in the JavaScript Engine component
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-10-27T14:05:05.850Z

Reserved: 2026-10-27T14:05:05.672Z

Link: CVE-2026-117870

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-27T14:16:41.430

Modified: 2026-10-27T15:01:29.847

Link: CVE-2026-117870

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-27T15:30:05Z

Weaknesses