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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-08-28 00:17:41 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-10-05 21:28:08 +0200 |
| commit | 0ce90738fc1410ffa3b1abd92fef10557796bf4c (patch) | |
| tree | 33ab2abdeee80ca659dc14785a9d5f6cb61032b1 | |
| parent | 71b1422ee93b0da778c0204b6cfaf4a6f1ac68d9 (diff) | |
| download | ffmpeg-0ce90738fc1410ffa3b1abd92fef10557796bf4c.tar.gz | |
avcodec/cfhd: Check transform type
Fixes: out of array access
Fixes: 24823/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CFHD_fuzzer-4855119863349248
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 659658d08bb2e7219001795c78efd24f381446e2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/cfhd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/cfhd.c b/libavcodec/cfhd.c index 49a5a2c30a..fcd1902471 100644 --- a/libavcodec/cfhd.c +++ b/libavcodec/cfhd.c @@ -444,6 +444,10 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame, avpriv_report_missing_feature(avctx, "Transform type of %"PRIu16, data); ret = AVERROR_PATCHWELCOME; break; + } else if (data == 1) { + av_log(avctx, AV_LOG_ERROR, "unsupported transform type\n"); + ret = AVERROR_PATCHWELCOME; + break; } av_log(avctx, AV_LOG_DEBUG, "Transform-type? %"PRIu16"\n", data); } else if (abstag >= 0x4000 && abstag <= 0x40ff) { |