Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5.

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
153.5 unaffected ≤ 153.*
158 unaffected ≤ *

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Project Subscriptions

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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=2074193 cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-106/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-108/ cve-icon cve-icon
History

Tue, 13 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-416
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}

Tue, 13 Oct 2026 13:00:00 +0000

Type Values Removed Values Added
Description Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5.
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: 2026-10-13T14:18:49.971Z

Reserved: 2026-10-13T00:29:31.304Z

Link: CVE-2026-109724

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-13T13:17:22.907

Modified: 2026-10-13T15:17:38.543

Link: CVE-2026-109724

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.