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avcodec/hapdec: Check section_size for non negativity in parse_section_header()

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-09-05 00:09:32 +02:00
parent 0cdba4ac68
commit 205c31b301
1 changed files with 1 additions and 1 deletions
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libavcodec/hapdec.c
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@ -61,7 +61,7 @@ static int parse_section_header(GetByteContext *gbc, int *section_size,
*section_size = bytestream2_get_le32(gbc); *section_size = bytestream2_get_le32(gbc);
} }
if (*section_size > bytestream2_get_bytes_left(gbc)) if (*section_size > bytestream2_get_bytes_left(gbc) || *section_size < 0)
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
else else
return 0; return 0;