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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-08-18 23:41:57 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-26 16:50:55 +0200 |
| commit | 51d8a691dd57c5e5fe83c1fea0274af7dc312e31 (patch) | |
| tree | 9e3f6165c57d98aac32d96230d5c92cf946dff14 | |
| parent | 6106a5c936197fe14bcbba1237bd00860ec0af4c (diff) | |
| download | ffmpeg-51d8a691dd57c5e5fe83c1fea0274af7dc312e31.tar.gz | |
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 948b813f7f..a3b0bc4649 100644 --- a/libavcodec/speedhq.c +++ b/libavcodec/speedhq.c @@ -424,7 +424,7 @@ 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]; |