ffmpeg | branch: release/2.8 | Michael Niedermayer <mich...@niedermayer.cc> | Fri Jun 7 00:19:01 2024 +0200| [3452b66e09145f78da6929d68e29c732c4697a1a] | committer: Michael Niedermayer
avformat/mpeg: Check len in mpegps_probe() Fixes: CID1473590 Untrusted loop bound Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit ca237a841e9e78ac02694124d81ff78c74b0bf72) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3452b66e09145f78da6929d68e29c732c4697a1a --- libavformat/mpeg.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c index 56b10a32e0..f0b1f1ac34 100644 --- a/libavformat/mpeg.c +++ b/libavformat/mpeg.c @@ -78,6 +78,9 @@ static int mpegps_probe(AVProbeData *p) int pes = endpes <= i && check_pes(p->buf + i, p->buf + p->buf_size); int pack = check_pack_header(p->buf + i); + if (len > INT_MAX - i) + break; + if (code == SYSTEM_HEADER_START_CODE) sys++; else if (code == PACK_START_CODE && pack) _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
