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authorPaul B Mahol <onemda@gmail.com>2019-10-15 16:31:15 +0200
committerPaul B Mahol <onemda@gmail.com>2019-10-15 16:31:15 +0200
commitf069a9c2a65bc20c3462127623127df6dfd06c5b (patch)
tree0046b77e73c163cd7d87ffdf124eca1870c863ef /libavfilter/vf_avgblur.c
parent62f47225825ce0827570eb2c12033303d121e4ef (diff)
avfilter/vf_avgblur: fix heap-buffer overflow
Fixes #8274
Diffstat (limited to 'libavfilter/vf_avgblur.c')
-rw-r--r--libavfilter/vf_avgblur.c2
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; \