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Code Issues Releases Activity

avformat/idroqdec: Check chunk_size for being too large

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer
2016-11-29 02:58:34 +01:00
parent 9e9c2276c3
commit 744a0b5206
1 changed files with 3 additions and 0 deletions
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3
libavformat/idroqdec.c
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@@ -157,6 +157,9 @@ static int roq_read_packet(AVFormatContext *s,
chunk_size = AV_RL32(&preamble[2]) + RoQ_CHUNK_PREAMBLE_SIZE * 2 + chunk_size = AV_RL32(&preamble[2]) + RoQ_CHUNK_PREAMBLE_SIZE * 2 +
codebook_size; codebook_size;
if (chunk_size > INT_MAX)
return AVERROR_INVALIDDATA;
/* rewind */ /* rewind */
avio_seek(pb, codebook_offset, SEEK_SET); avio_seek(pb, codebook_offset, SEEK_SET);