The branch, master has been updated
via 2a22972db3b390d82dedbdbb5f44cc09a43912b5 (commit)
from c9e93df4eed93fe0044c52d953688c4180de1d48 (commit)
- Log -----------------------------------------------------------------
commit 2a22972db3b390d82dedbdbb5f44cc09a43912b5
Author: Michael Niedermayer <mich...@niedermayer.cc>
AuthorDate: Fri Aug 15 17:55:05 2025 +0200
Commit: Michael Niedermayer <mich...@niedermayer.cc>
CommitDate: Fri Aug 15 18:00:11 2025 +0200
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 <mich...@niedermayer.cc>
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;
-----------------------------------------------------------------------
Summary of changes:
libavcodec/utvideodec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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