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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-10-06 22:28:33 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-04-21 01:55:07 +0200 |
| commit | 4d5e869ea72d790d4659f7235bc718ace38bfbba (patch) | |
| tree | 3ee2367fb9b84a94d3c5987572418d6a8668f38b | |
| parent | f0e536f603dfd90365fc57e78d504826dd7c4716 (diff) | |
| download | ffmpeg-4d5e869ea72d790d4659f7235bc718ace38bfbba.tar.gz | |
avcodec/speedhq: Check buf_size to be big enough for DC
Fixes: Timeout
Fixes: 51919/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SPEEDHQ_fuzzer-6023716480090112
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 9184d3d7b64459e975f26284a7b2e26cbf76480b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/speedhq.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/speedhq.c b/libavcodec/speedhq.c index a3b0bc4649..27aab11903 100644 --- a/libavcodec/speedhq.c +++ b/libavcodec/speedhq.c @@ -426,6 +426,8 @@ static int speedhq_decode_frame(AVCodecContext *avctx, if (buf_size < 4 || avctx->width < 8 || avctx->width % 8 != 0) return AVERROR_INVALIDDATA; + if (buf_size < avctx->width*avctx->height / 64 / 4) + return AVERROR_INVALIDDATA; quality = buf[0]; if (quality >= 100) { |