2024-04-22 15:02:26 +02:00
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From 99debe5f823f45a482e1dc08de35879aa9c74bd2 Mon Sep 17 00:00:00 2001
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From: Zhao Zhili <zhilizhao@tencent.com>
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Date: Fri, 29 Dec 2023 05:56:43 +0800
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Subject: [PATCH] avfilter/vf_codecview: fix heap buffer overflow
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2024-04-22 17:53:34 +02:00
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References: https://bugzilla.opensuse.org/1223085
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References: CVE-2024-31582
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2024-04-22 15:02:26 +02:00
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And improve the performance by a little bit.
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Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
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---
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libavfilter/vf_codecview.c | 3 ---
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1 file changed, 3 deletions(-)
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diff --git a/libavfilter/vf_codecview.c b/libavfilter/vf_codecview.c
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index 55d9c8c04f..f65ccbda70 100644
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--- a/libavfilter/vf_codecview.c
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+++ b/libavfilter/vf_codecview.c
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@@ -216,9 +216,6 @@ static void draw_block_rectangle(uint8_t *buf, int sx, int sy, int w, int h, ptr
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buf[sx + w - 1] = color;
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buf += stride;
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}
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-
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- for (int x = sx; x < sx + w; x++)
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- buf[x] = color;
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}
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static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
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--
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2.44.0
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