Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 140.15, and Firefox ESR 153.2.

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=2061110 cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-82/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-84/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-85/ cve-icon cve-icon
History

Tue, 01 Sep 2026 13:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-416

Tue, 01 Sep 2026 12:45:00 +0000

Type Values Removed Values Added
Description Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 140.15, and Firefox ESR 153.2.
Title Use-after-free in the DOM: Core & HTML component
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-09-01T12:18:51.705Z

Reserved: 2026-09-01T07:25:18.000Z

Link: CVE-2026-84124

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-01T13:20:06.290

Modified: 2026-09-01T13:20:06.290

Link: CVE-2026-84124

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-01T13:30:17Z

Weaknesses