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author | Michael Niedermayer <michael@niedermayer.cc> | 2021-03-17 13:14:39 +0100 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-03-19 23:59:45 +0100 |
commit | 462b8261aa3c4f9844b2e050c74b9a2018e3649d (patch) | |
tree | bb8548514685ec8800cbd13014f63f8e72e6893e | |
parent | 3e9284fccbfbea0a6feea5dae49725ced08953e2 (diff) | |
download | ffmpeg-462b8261aa3c4f9844b2e050c74b9a2018e3649d.tar.gz |
avcodec/speedhq: Width < 8 is not supported
Fixes: out of array access
Fixes: 31733/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SPEEDHQ_fuzzer-4704307963363328
Fixes: 31736/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SPEEDHQ_fuzzer-6190960292790272
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-- | libavcodec/speedhq.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/speedhq.c b/libavcodec/speedhq.c index 5861b7f6b5..711bcd66d7 100644 --- a/libavcodec/speedhq.c +++ b/libavcodec/speedhq.c @@ -498,7 +498,7 @@ static int speedhq_decode_frame(AVCodecContext *avctx, uint32_t second_field_offset; int ret; - if (buf_size < 4) + if (buf_size < 4 || avctx->width < 8) return AVERROR_INVALIDDATA; quality = buf[0]; |