ffmpeg | branch: release/4.4 | Michael Niedermayer <mich...@niedermayer.cc> | Sat May 10 23:39:53 2025 +0200| [04b03f7cf388c8b46e0e1c605329eed7e8375fad] | committer: Michael Niedermayer
avformat/mov: reject negative ELST durations Fixes: multiple integer overflows Fixes: 401016767/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-6242067591790592 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 9fc2702f6f502064d0d2d75c97ece33f4b56eb84) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=04b03f7cf388c8b46e0e1c605329eed7e8375fad --- libavformat/mov.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavformat/mov.c b/libavformat/mov.c index 06eacca4e9..b03a8f8295 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -5366,6 +5366,11 @@ static int mov_read_elst(MOVContext *c, AVIOContext *pb, MOVAtom atom) c->fc->nb_streams-1, i, e->time); return AVERROR_INVALIDDATA; } + if (e->duration < 0) { + av_log(c->fc, AV_LOG_ERROR, "Track %d, edit %d: Invalid edit list duration=%"PRId64"\n", + c->fc->nb_streams-1, i, e->duration); + return AVERROR_INVALIDDATA; + } } sc->elst_count = 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".
