Commit 64aa8bb8 authored by 孙浩 and 张洪亮(望初)'s avatar 孙浩 and 张洪亮(望初) Committed by Michael Niedermayer

avformat/cinedec: Fix DoS due to lack of eof check

Fixes: loop.cine

Found-by: Xiaohei and Wangchu from Alibaba Security Team
Signed-off-by: 's avatarMichael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7e80b63e)
Signed-off-by: 's avatarMichael Niedermayer <michael@niedermayer.cc>
parent 0eb39938
......@@ -267,8 +267,12 @@ static int cine_read_header(AVFormatContext *avctx)
/* parse image offsets */
avio_seek(pb, offImageOffsets, SEEK_SET);
for (i = 0; i < st->duration; i++)
for (i = 0; i < st->duration; i++) {
if (avio_feof(pb))
return AVERROR_INVALIDDATA;
av_add_index_entry(st, avio_rl64(pb), i, 0, 0, AVINDEX_KEYFRAME);
}
return 0;
}
......
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