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Code Issues Releases Activity

check atom size against edit_count to avoid very long loop

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Originally committed as revision 19198 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2009-06-15 02:07:41 +00:00
parent 7060667580
commit 53e099de8b
1 changed files with 3 additions and 0 deletions
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libavformat/mov.c
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@ -1831,6 +1831,9 @@ static int mov_read_elst(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
get_be24(pb); /* flags */
edit_count = get_be32(pb); /* entries */
if((uint64_t)edit_count*12+8 > atom.size)
return -1;
for(i=0; i<edit_count; i++){
int time;
int duration = get_be32(pb); /* Track duration */