Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.
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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Advisories
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Fixes
Solution
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Workaround
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References
History
Tue, 21 Apr 2026 13:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10. | |
| Title | Uninitialized memory in the Audio/Video: Web Codecs component | |
| References |
|
Projects
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MITRE
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-04-21T12:40:48.315Z
Reserved: 2026-04-21T12:40:47.871Z
Link: CVE-2026-6751
Vulnrichment
No data.
NVD
Status : Undergoing Analysis
Published: 2026-04-21T13:16:21.163
Modified: 2026-04-21T15:48:44.543
Link: CVE-2026-6751
Redhat
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OpenCVE Enrichment
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Weaknesses
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