ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Wed Jun 12 14:49:11 2019 +0200| [d8716e3df9ee81909342b0b59f5b6eff052964fd] | committer: Michael Niedermayer
avformat/vividas: check length in read_vblock() Fixes: out of array access Fixes: 15166/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5731062396747776 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d8716e3df9ee81909342b0b59f5b6eff052964fd --- libavformat/vividas.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/vividas.c b/libavformat/vividas.c index 51fdb4a31e..753328245d 100644 --- a/libavformat/vividas.c +++ b/libavformat/vividas.c @@ -205,7 +205,7 @@ static uint8_t *read_vblock(AVIOContext *src, uint32_t *size, decode_block(tmp, tmp, 4, key, k2, align); n = get_v(tmp); - if (!n) + if (n < 4) return NULL; buf = av_malloc(n); _______________________________________________ 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".
