fix CVE-2020-35965.patch

(cherry picked from commit d6bc20d681e3b6724e49f0021807760bc12839bb)

CVE-2020-35965.patch

@@ -0,0 +1,25 @@
+From 1672c855be7edde17571f98fa603c4fc5270e516 Mon Sep 17 00:00:00 2001
+From: happyworker <208suo@208suo.com>
+Date: Wed, 18 Sep 2024 15:57:22 +0800
+Subject: [PATCH] CVE-2020-35965
+
+---
+ libavcodec/exr.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/libavcodec/exr.c b/libavcodec/exr.c
+index ba6e3fd..5558d55 100644
+--- a/libavcodec/exr.c
++++ b/libavcodec/exr.c
+@@ -1791,7 +1791,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
+     ptr         = picture->data[0];
+ 
+     // Zero out the start if ymin is not 0
+-    for (y = 0; y < s->ymin; y++) {
++    for (y = 0; y < FFMIN(s->ymin, s->h); y++) {
+         memset(ptr, 0, out_line_size);
+         ptr += picture->linesize[0];
+     }
+-- 
+2.27.0
+

ffmpeg.spec

@@ -60,7 +60,7 @@
 Summary:        Digital VCR and streaming server
 Name:           ffmpeg%{?flavor}
 Version:        4.2.4
-Release:        17
+Release:        18
 License:        %{ffmpeg_license}
 URL:            http://ffmpeg.org/
 %if 0%{?date}
@@ -86,6 +86,7 @@ Patch14:        CVE-2021-28429.patch
 Patch15:        fix-CVE-2024-32230.patch  
 Patch16:        CVE-2022-1475.patch
 Patch17:        CVE-2022-48434.patch
+Patch18:        CVE-2020-35965.patch
 
 Requires:       %{name}-libs%{?_isa} = %{version}-%{release}
 %{?_with_cuda:BuildRequires: cuda-minimal-build-%{_cuda_version_rpm} cuda-drivers-devel}
@@ -419,6 +420,9 @@ install -pm755 tools/qt-faststart %{buildroot}%{_bindir}
 
 
 %changelog
+* Wed Sep 18 2024 happyworker <208suo@208suo.com> - 4.2.4-18
+- Fix CVE-2020-35965.patch
+
 * Mon Jul 15 2024 happyworker <208suo@208suo.com> - 4.2.4-17
 - Fix CVE-2022-48434