Site isolation issue in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
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 |
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Project Subscriptions
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Advisories
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Fixes
Solution
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Workaround
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References
History
Tue, 18 Aug 2026 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Site isolation issue in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1. | |
| Title | Site isolation issue in the Audio/Video: Web Codecs component | |
| References |
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Projects
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MITRE
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-08-18T12:23:40.437Z
Reserved: 2026-08-17T11:59:08.402Z
Link: CVE-2026-74981
Vulnrichment
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NVD
Status : Received
Published: 2026-08-18T13:17:37.040
Modified: 2026-08-18T13:17:37.040
Link: CVE-2026-74981
Redhat
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OpenCVE Enrichment
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Weaknesses
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