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| author | Paul B Mahol <onemda@gmail.com> | 2019-10-15 16:31:15 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2019-10-15 16:31:15 +0200 |
| commit | f069a9c2a65bc20c3462127623127df6dfd06c5b (patch) | |
| tree | 0046b77e73c163cd7d87ffdf124eca1870c863ef /libavfilter | |
| parent | 62f47225825ce0827570eb2c12033303d121e4ef (diff) | |
| download | ffmpeg-f069a9c2a65bc20c3462127623127df6dfd06c5b.tar.gz | |
avfilter/vf_avgblur: fix heap-buffer overflow
Fixes #8274
Diffstat (limited to 'libavfilter')
| -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 40b48799e0..78a6806e6f 100644 --- a/libavfilter/vf_avgblur.c +++ b/libavfilter/vf_avgblur.c @@ -148,7 +148,7 @@ 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; \ |