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CVE-2021-23973 When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted, and the…
Description
When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted, and the content of that error may have revealed information about the resource. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 86 | earliest → < 86 | 86 |
| Thunderbird 78.8 | earliest → < 78.8 | 78.8 |
| Firefox ESR 78.8 | earliest → < 78.8 | 78.8 |
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