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avcodec/sanm: reject codec37 frames taller than the allocated buffer

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer
2026-05-31 16:45:47 +02:00
committed by michaelni
parent b2695bcbb3
commit ab5043f055
1 changed files with 3 additions and 0 deletions
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libavcodec/sanm.c
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@@ -1241,6 +1241,9 @@ static int old_codec37(SANMVideoContext *ctx, GetByteContext *gb, int top, int l
if (width > ctx->aligned_width)
return AVERROR_INVALIDDATA;
if (FFALIGN(height, 4) > ctx->aligned_height)
return AVERROR_INVALIDDATA;
if (bytestream2_get_bytes_left(gb) < 16)
return AVERROR_INVALIDDATA;