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authorMichael Niedermayer <michael@niedermayer.cc>2022-08-19 00:41:57 +0300
committerMichael Niedermayer <michael@niedermayer.cc>2022-09-25 14:51:54 +0300
commitc7f723ddb677d6a13e9d8b62851f9d2583100fdf (patch)
tree097e010d5818e5d3b646a0fd97f22ee9d47e6ace
parent85f5aaa15fda09e8c01880d4ec622dd33c7b3636 (diff)
avcodec/speedhq: Check width
Fixes: out of array access Fixes: 50014/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SPEEDHQ_fuzzer-4748914632294400 Alternatively the buffer size can be increased 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 f0395f9ef6051315973f1fdded1804f81458566d) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavcodec/speedhq.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/speedhq.c b/libavcodec/speedhq.c
index 711bcd66d7..5a201b3a6e 100644
--- a/libavcodec/speedhq.c
+++ b/libavcodec/speedhq.c
@@ -498,7 +498,7 @@ static int speedhq_decode_frame(AVCodecContext *avctx,
uint32_t second_field_offset;
int ret;
- if (buf_size < 4 || avctx->width < 8)
+ if (buf_size < 4 || avctx->width < 8 || avctx->width % 8 != 0)
return AVERROR_INVALIDDATA;
quality = buf[0];