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| author | Michael Niedermayer <michael@niedermayer.cc> | 2025-08-15 17:55:05 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2025-08-15 18:00:11 +0200 |
| commit | 2a22972db3b390d82dedbdbb5f44cc09a43912b5 (patch) | |
| tree | 8f1de5af16c2a5115762c1eeaa0720c0f2cb9608 | |
| parent | c9e93df4eed93fe0044c52d953688c4180de1d48 (diff) | |
| download | ffmpeg-2a22972db3b390d82dedbdbb5f44cc09a43912b5.tar.gz | |
avcodec/utvideodec: Clear plane_start array
in pack mode the array is passed into decode_plane() without being initialized or used
Fixes: use of uninitialized memory
Fixes: 438780119/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_UTVIDEO_DEC_fuzzer-5464037027807232
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/utvideodec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/utvideodec.c b/libavcodec/utvideodec.c index 934945c1be..bc02ac44d5 100644 --- a/libavcodec/utvideodec.c +++ b/libavcodec/utvideodec.c @@ -585,7 +585,7 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, int buf_size = avpkt->size; UtvideoContext *c = avctx->priv_data; int i, j; - const uint8_t *plane_start[5]; + const uint8_t *plane_start[5] = {NULL}; int plane_size, max_slice_size = 0, slice_start, slice_end, slice_size; int ret; GetByteContext gb; |