15 lines
565 B
Diff
15 lines
565 B
Diff
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diff --git a/src/mux/muxread.c b/src/mux/muxread.c
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index fbe9f05..ea07dbf 100644
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--- a/src/mux/muxread.c
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+++ b/src/mux/muxread.c
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@@ -264,6 +264,7 @@
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chunk_list = MuxGetChunkListFromId(mux, id); // List to add this chunk.
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if (ChunkSetNth(&chunk, chunk_list, 0) != WEBP_MUX_OK) goto Err;
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if (id == WEBP_CHUNK_VP8X) { // grab global specs
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+ if (data_size < CHUNK_HEADER_SIZE + VP8X_CHUNK_SIZE) goto Err;
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mux->canvas_width_ = GetLE24(data + 12) + 1;
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mux->canvas_height_ = GetLE24(data + 15) + 1;
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}
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