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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-10-16 09:30:39 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-10-20 15:33:13 +0200 |
| commit | 2be51d14f278c1c207becafed0db20cbc4e89f55 (patch) | |
| tree | 336739eab25d550a188f80577489d97475626db2 | |
| parent | 51002362c4ed301e54cea1597666cd5cc9a134f3 (diff) | |
avformat/av1dec: Fix padding in obu_get_packet()
Fixes: stack buffer overflow (read)
Fixes: 26369/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVIDAS_fuzzer-5721057325219840
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/av1dec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/av1dec.c b/libavformat/av1dec.c index 10c4560968..395eef6522 100644 --- a/libavformat/av1dec.c +++ b/libavformat/av1dec.c @@ -382,7 +382,7 @@ static int obu_read_header(AVFormatContext *s) static int obu_get_packet(AVFormatContext *s, AVPacket *pkt) { ObuContext *c = s->priv_data; - uint8_t header[MAX_OBU_HEADER_SIZE]; + uint8_t header[MAX_OBU_HEADER_SIZE + AV_INPUT_BUFFER_PADDING_SIZE]; int64_t obu_size; int size = av_fifo_space(c->fifo); int ret, len, type; |