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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-07-03 01:43:21 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-07-12 23:21:51 +0300 |
| commit | 7521f2f66cd51feaa668dd62377b311f6e6d48a0 (patch) | |
| tree | 99d1224c6b94e7ffba031fd0fb2ba4568844ef24 | |
| parent | cddda6d7e44b8a8a6805d60e43e0b652c8d72903 (diff) | |
avcodec/qdrw: adjust max colors to array size
Fixes: out of array access
Fixes: 48429/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDRAW_fuzzer-4608329791438848
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cd847f86d31f87f0f7733ca6ab7a2c022a1398bd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/qdrw.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/qdrw.c b/libavcodec/qdrw.c index 34c1442063..475cfecf5f 100644 --- a/libavcodec/qdrw.c +++ b/libavcodec/qdrw.c @@ -367,7 +367,7 @@ static int decode_frame(AVCodecContext *avctx, bytestream2_skip(&gbc, 18); colors = bytestream2_get_be16(&gbc); - if (colors < 0 || colors > 256) { + if (colors < 0 || colors > 255) { av_log(avctx, AV_LOG_ERROR, "Error color count - %i(0x%X)\n", colors, colors); return AVERROR_INVALIDDATA; |