ff_parse_mpeg2_descriptor() reads over what is initialized Fixes: use of uninitialized memory Fixes: 383825645/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-5144130618982400
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/wtvdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/wtvdec.c b/libavformat/wtvdec.c index 730c7fca783..21c96498693 100644 --- a/libavformat/wtvdec.c +++ b/libavformat/wtvdec.c @@ -833,7 +833,7 @@ static int parse_chunks(AVFormatContext *s, int mode, int64_t seekts, int *len_p int stream_index = ff_find_stream_index(s, sid); if (stream_index >= 0) { AVStream *st = s->streams[stream_index]; - uint8_t buf[258]; + uint8_t buf[258] = {0}; const uint8_t *pbuf = buf; int buf_size; -- 2.47.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
