ffmpeg | branch: release/4.4 | Michael Niedermayer <mich...@niedermayer.cc> | Wed Nov 8 01:37:11 2023 +0100| [e4a5949d52db35f9a728a5d6a9fd1e962171d1e8] | committer: Michael Niedermayer
avformat/mov: Disallow FTYP after streams Fixes: Assertion !c->fc->nb_streams failed at libavformat/mov.c:7799 Fixes: 63875/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5479178702815232 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 19fcf4313148e86aa47d81a8d5d5e8d056f1f906) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e4a5949d52db35f9a728a5d6a9fd1e962171d1e8 --- libavformat/mov.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/mov.c b/libavformat/mov.c index 13035c48ed..539eec0eef 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -1134,6 +1134,8 @@ static int mov_read_ftyp(MOVContext *c, AVIOContext *pb, MOVAtom atom) int ret = ffio_read_size(pb, type, 4); if (ret < 0) return ret; + if (c->fc->nb_streams) + return AVERROR_INVALIDDATA; if (strcmp(type, "qt ")) c->isom = 1; _______________________________________________ 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".
