ffmpeg | branch: release/4.2 | Michael Niedermayer <mich...@niedermayer.cc> | Sat Aug 10 23:09:46 2019 +0200| [f5c6f81576928c7d5b219a7e8f49718fa7a0874c] | committer: Michael Niedermayer
avformat/vividas: Fix infinite loop in header parser Fixes: Timeout (Infinite -> Finite) Fixes: 16010/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5638616102993920 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <one...@gmail.com> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 52b564ef13237bfbb31a4103d29828dba9d14984) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f5c6f81576928c7d5b219a7e8f49718fa7a0874c --- libavformat/vividas.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/vividas.c b/libavformat/vividas.c index e70c9164a1..a5f33181de 100644 --- a/libavformat/vividas.c +++ b/libavformat/vividas.c @@ -546,6 +546,9 @@ static int viv_read_header(AVFormatContext *s) break; block_len = ffio_read_varlen(pb); + if (avio_feof(pb)) + return AVERROR_INVALIDDATA; + block_type = avio_r8(pb); if (block_type == 22) { _______________________________________________ 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".
