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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-08-19 00:41:57 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-11-04 01:29:45 +0300 |
| commit | 14ec214d5c61e7af4ec0da2838da35a3233990f6 (patch) | |
| tree | 2504aa483ea8836888f715ca26b8615f9fc696fc | |
| parent | 1f3236ac1ef692ef015cccec58b88ec8f4f0fcf1 (diff) | |
avcodec/speedhq: Check width
Fixes: out of array access
Fixes: 50014/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SPEEDHQ_fuzzer-4748914632294400
Alternatively the buffer size can be increased
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f0395f9ef6051315973f1fdded1804f81458566d)
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 743dacc6ce..128663ab75 100644 --- a/libavcodec/speedhq.c +++ b/libavcodec/speedhq.c @@ -497,7 +497,7 @@ static int speedhq_decode_frame(AVCodecContext *avctx, uint32_t second_field_offset; int ret; - if (buf_size < 4 || avctx->width < 8) + if (buf_size < 4 || avctx->width < 8 || avctx->width % 8 != 0) return AVERROR_INVALIDDATA; quality = buf[0]; |