Description
Race condition, use-after-free in the Audio/Video component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
Published: 2026-09-29
Score: 7.5 High
EPSS: < 1% Very Low
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

Wed, 30 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Description Race condition, use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 157. Race condition, use-after-free in the Audio/Video component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
References

Tue, 29 Sep 2026 16:30:00 +0000

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

Tue, 29 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-362
CWE-416
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 29 Sep 2026 13:15:00 +0000

Type Values Removed Values Added
Description Race condition, use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 157.
Title Race condition, use-after-free in the Audio/Video component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-09-30T17:14:58.115Z

Reserved: 2026-09-26T19:17:55.926Z

Link: CVE-2026-100805

cve-icon Vulnrichment

Updated: 2026-09-29T14:09:28.551Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-29T13:17:45.600

Modified: 2026-09-30T18:18:09.797

Link: CVE-2026-100805

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-01T01:00:10Z

Weaknesses