Use-after-free in the SVG component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-4836-1 firefox-esr security update
Debian DSA Debian DSA DSA-6560-1 firefox-esr security update
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 14 Oct 2026 21:30:00 +0000

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

Tue, 13 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Description Use-after-free in the SVG component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, and Firefox ESR 153.5. Use-after-free in the SVG component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
References

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 SVG component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, and Firefox ESR 153.5.
Title Use-after-free in the SVG component
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-10-13T18:16:34.993Z

Reserved: 2026-10-13T00:29:32.973Z

Link: CVE-2026-109726

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-13T13:17:23.113

Modified: 2026-10-13T19:18:36.407

Link: CVE-2026-109726

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-17T07:00:04Z

Weaknesses