26 lines
951 B
Diff
26 lines
951 B
Diff
From fa8e9d837130cde3d0548b01aa9cb42e60e30a24 Mon Sep 17 00:00:00 2001
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From: Michael Niedermayer <michael@niedermayer.cc>
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Date: Fri, 28 Jun 2024 16:48:40 +0800
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Subject: [PATCH] fix CVE-2023-50010
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---
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libavfilter/vf_gradfun.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/libavfilter/vf_gradfun.c b/libavfilter/vf_gradfun.c
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index f63128d..da4c01a 100644
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--- a/libavfilter/vf_gradfun.c
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+++ b/libavfilter/vf_gradfun.c
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@@ -92,7 +92,7 @@ static void filter(GradFunContext *ctx, uint8_t *dst, const uint8_t *src, int wi
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for (y = 0; y < r; y++)
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ctx->blur_line(dc, buf + y * bstride, buf + (y - 1) * bstride, src + 2 * y * src_linesize, src_linesize, width / 2);
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for (;;) {
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- if (y < height - r) {
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+ if (y + 1 < height - r) {
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int mod = ((y + r) / 2) % r;
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uint16_t *buf0 = buf + mod * bstride;
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uint16_t *buf1 = buf + (mod ? mod - 1 : r - 1) * bstride;
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--
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2.43.0
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