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| author | Paul B Mahol <onemda@gmail.com> | 2019-10-15 16:31:15 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-05-04 18:49:27 +0200 |
| commit | ff93d6f710fa95476e0e90dec6cb1303afe26e0f (patch) | |
| tree | 34f342ed535e32bbee087776760ef48f980fb0c8 | |
| parent | a9b8eda77306829c9165bc306aafd6e1a91f14c0 (diff) | |
| download | ffmpeg-ff93d6f710fa95476e0e90dec6cb1303afe26e0f.tar.gz | |
avfilter/vf_avgblur: fix heap-buffer overflow
Fixes #8274
(cherry picked from commit f069a9c2a65bc20c3462127623127df6dfd06c5b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavfilter/vf_avgblur.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/vf_avgblur.c b/libavfilter/vf_avgblur.c index 2bb2ab1ed5..b96e5a7868 100644 --- a/libavfilter/vf_avgblur.c +++ b/libavfilter/vf_avgblur.c @@ -149,7 +149,7 @@ static int filter_vertically_##name(AVFilterContext *ctx, void *arg, int jobnr, \ src = s->buffer + x; \ ptr = buffer + x; \ - for (i = 0; i <= radius; i++) { \ + for (i = 0; i + radius < height && i <= radius; i++) { \ acc += src[(i + radius) * width]; \ count++; \ ptr[i * linesize] = acc / count; \ |