AppendEncodedAttributeValue(), ExtraSpaceNeededForAttrEncoding() and AppendEncodedCharacters() could have experienced integer overflows, causing underallocation of an output buffer leading to an out of bounds write. This vulnerability affects Firefox < 124, Firefox ESR < 115.9, and Thunderbird < 115.9.
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"availability": "No subscription required",
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"binary_version": "124.0+build1-0ubuntu0.20.04.1",
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"binaries": [
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"binaries": [
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