From 4ddf4f5001ca6fd3525e4acb62c19627fdb76f8e Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 22 Oct 2023 17:06:57 +0200 Subject: [PATCH] avcodec/magicyuv: correct end of array check in multi VLC parsing Fixes: out of array write Fixes: 63390/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MAGICYUV_fuzzer-5144552979431424.fuzz Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/magicyuv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/magicyuv.c b/libavcodec/magicyuv.c index 3573db0f0a..d813f20920 100644 --- a/libavcodec/magicyuv.c +++ b/libavcodec/magicyuv.c @@ -299,7 +299,7 @@ static int magy_decode_slice(AVCodecContext *avctx, void *tdata, return ret; for (k = 0; k < height; k++) - READ_PLANE(dst, i, 1, 5) + READ_PLANE(dst, i, 1, 7) } switch (pred) {