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avidec: use actually read size instead of requested size

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Fixes CVE-2012-2788
(cherry picked from commit 0af49a63c7f87876486ab09482d5b26b95abce60)

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
This commit is contained in:
Anton Khirnov 2012-09-28 15:42:29 +02:00 committed by Reinhard Tartler
parent 6744eee1e5
commit 0582b8e3ea
1 changed files with 1 additions and 1 deletions
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libavformat/avidec.c
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@ -1116,7 +1116,7 @@ resync:
} }
ast->frame_offset += get_duration(ast, pkt->size); ast->frame_offset += get_duration(ast, pkt->size);
} }
ast->remaining -= size; ast->remaining -= err;
if(!ast->remaining){ if(!ast->remaining){
avi->stream_index= -1; avi->stream_index= -1;
ast->packet_size= 0; ast->packet_size= 0;