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.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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mozilla firefox |
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mozilla firefox esr |
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mozilla thunderbird |
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debian debian linux 9.0 |
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debian debian linux 10.0 |