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LibVideo/VP9: Ensure range decoder size is within expected range

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Tim Ledbetter 2023-11-06 17:52:13 +00:00 committed by Andreas Kling
parent fefbbff0a5
commit b3d5f9748a
1 changed files with 3 additions and 0 deletions
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3
Userland/Libraries/LibVideo/VP9/Context.h
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@ -61,6 +61,9 @@ public:
DecoderErrorOr<BooleanDecoder> create_range_decoder(size_t size)
{
if (size > stream->remaining())
return DecoderError::corrupted("Range decoder size invalid"sv);
auto compressed_header_data = ReadonlyBytes(stream_data.data() + stream->offset(), size);
// 9.2.1: The Boolean decoding process specified in section 9.2.2 is invoked to read a marker syntax element from the