ffmpeg | branch: release/2.8 | 孙浩(晓黑) <[email protected]> | Tue Aug 29 23:59:21 2017 +0200| [d6860265076607811de68e6ac03ad5df9dfdb681] | committer: Michael Niedermayer
avformat/mxfdec: Fix Sign error in mxf_read_primer_pack() Fixes: 20170829B.mxf Co-Author: 张洪亮(望初)" <[email protected]> Found-by: Xiaohei and Wangchu from Alibaba Security Team Signed-off-by: Michael Niedermayer <[email protected]> (cherry picked from commit 9d00fb9d70ee8c0cc7002b89318c5be00f1bbdad) Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d6860265076607811de68e6ac03ad5df9dfdb681 --- libavformat/mxfdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c index 5a3a3de188..5abb76d0b9 100644 --- a/libavformat/mxfdec.c +++ b/libavformat/mxfdec.c @@ -491,7 +491,7 @@ static int mxf_read_primer_pack(void *arg, AVIOContext *pb, int tag, int size, U avpriv_request_sample(pb, "Primer pack item length %d", item_len); return AVERROR_PATCHWELCOME; } - if (item_num > 65536) { + if (item_num > 65536 || item_num < 0) { av_log(mxf->fc, AV_LOG_ERROR, "item_num %d is too large\n", item_num); return AVERROR_INVALIDDATA; } _______________________________________________ ffmpeg-cvslog mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
