ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu Jul 11 17:38:08 2024 +0200| [891bc070f0294e564a02f9a71f6591b6a62c90cc] | committer: Michael Niedermayer
avformat/asfdec_o: Check size of index object We subtract 24 so it must be at least 24 Fixes: CID1604482 Overflowed constant Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=891bc070f0294e564a02f9a71f6591b6a62c90cc --- libavformat/asfdec_o.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/asfdec_o.c b/libavformat/asfdec_o.c index dfe448e9f7..dd187e600d 100644 --- a/libavformat/asfdec_o.c +++ b/libavformat/asfdec_o.c @@ -867,6 +867,9 @@ static int asf_read_simple_index(AVFormatContext *s, const GUIDParseTable *g) int64_t offset; uint64_t size = avio_rl64(pb); + if (size < 24) + return AVERROR_INVALIDDATA; + // simple index objects should be ordered by stream number, this loop tries to find // the first not indexed video stream for (i = 0; i < asf->nb_streams; i++) { _______________________________________________ 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".
