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File 0001-avfilter-vf_codecview-fix-heap-buffer-overflow.patch of Package A_tw-ffmpeg-5
From 99debe5f823f45a482e1dc08de35879aa9c74bd2 Mon Sep 17 00:00:00 2001 From: Zhao Zhili <zhilizhao@tencent.com> Date: Fri, 29 Dec 2023 05:56:43 +0800 Subject: [PATCH] avfilter/vf_codecview: fix heap buffer overflow References: https://bugzilla.opensuse.org/1223085 References: CVE-2024-31582 And improve the performance by a little bit. Signed-off-by: Zhao Zhili <zhilizhao@tencent.com> --- libavfilter/vf_codecview.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/libavfilter/vf_codecview.c b/libavfilter/vf_codecview.c index 55d9c8c04f..f65ccbda70 100644 --- a/libavfilter/vf_codecview.c +++ b/libavfilter/vf_codecview.c @@ -216,9 +216,6 @@ static void draw_block_rectangle(uint8_t *buf, int sx, int sy, int w, int h, ptr buf[sx + w - 1] = color; buf += stride; } - - for (int x = sx; x < sx + w; x++) - buf[x] = color; } static int filter_frame(AVFilterLink *inlink, AVFrame *frame) -- 2.44.0
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