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authorPaul B Mahol <onemda@gmail.com>2019-10-15 16:31:15 +0200
committerJames Almer <jamrial@gmail.com>2021-09-13 16:49:13 -0300
commit01f3824f6c46ef19025059752a4381daa2443097 (patch)
tree747622bed326227e21bca5898e190724516d9092 /libavfilter
parentfbb83f3d413fa33cd543015856b0171d0bd7de11 (diff)
downloadffmpeg-01f3824f6c46ef19025059752a4381daa2443097.tar.gz
avfilter/vf_avgblur: fix heap-buffer overflow
Fixes #8274 (cherry picked from commit f069a9c2a65bc20c3462127623127df6dfd06c5b) Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavfilter')
-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 c7b88427fd..b813237258 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; \