Description
Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.
Published: 2026-11-10
Score: 8.8 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 10 Nov 2026 20:30:00 +0000

Type Values Removed Values Added
Description Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160. Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.
References

Tue, 10 Nov 2026 19:00:00 +0000

Type Values Removed Values Added
Description Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7. Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.
References

Tue, 10 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-416
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Tue, 10 Nov 2026 13:45:00 +0000

Type Values Removed Values Added
Description Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7.
Title Use-after-free in the CSS Parsing and Computation component
References

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-11-10T20:24:21.395Z

Reserved: 2026-11-09T14:46:05.759Z

Link: CVE-2026-124881

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-10T14:17:21.057

Modified: 2026-11-10T19:20:56.373

Link: CVE-2026-124881

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses