From 58ff5d87bb1ef1de6745db0e4e9f503020717875 Mon Sep 17 00:00:00 2001
From: peng2285 <jiangpeng01@ncti-gba.cn>
Date: Thu, 10 Nov 2022 15:00:59 +0800
Subject: [PATCH] CVE-2022-3756

	new file:   CVE-2022-3756.patch
---
 CVE-2022-3756.patch | 30 ++++++++++++++++++++++++++++++
 exiv2.spec          |  8 ++++++--
 2 files changed, 36 insertions(+), 2 deletions(-)
 create mode 100644 CVE-2022-3756.patch

diff --git a/CVE-2022-3756.patch b/CVE-2022-3756.patch
new file mode 100644
index 0000000..90618e6
--- /dev/null
+++ b/CVE-2022-3756.patch
@@ -0,0 +1,30 @@
+From be374cc6cd51906eaacc7a4f77c9ac37ea7c69c7 Mon Sep 17 00:00:00 2001
+From: qz_cx <wangqingzheng@kylinos.cn>
+Date: Mon, 31 Oct 2022 14:29:31 +0800
+Subject: [PATCH] Avoid potential integer overflow.
+
+Merge pull request #2347 from kevinbackhouse/quicktimevideo-size-calc
+
+Avoid potential integer overflow in QuickTimeVideo::userDataDecoder
+@kevinbackhouse
+kevinbackhouse committed on 7 Sep
+---
+ src/quicktimevideo.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/quicktimevideo.cpp b/src/quicktimevideo.cpp
+index 335d884..9b80947 100644
+--- a/src/quicktimevideo.cpp
++++ b/src/quicktimevideo.cpp
+@@ -895,7 +895,7 @@ namespace Exiv2 {
+ 
+             tv = find(userDataReferencetags, Exiv2::toString( buf.pData_));
+ 
+-            if(size == 0 || (size - 12) <= 0)
++	    if (size <= 12)
+                 break;
+ 
+             else if(equalsQTimeTag(buf, "DcMD")  || equalsQTimeTag(buf, "NCDT"))
+-- 
+2.33.0
+
diff --git a/exiv2.spec b/exiv2.spec
index 2272d82..69dfb9c 100644
--- a/exiv2.spec
+++ b/exiv2.spec
@@ -1,12 +1,13 @@
 Name:    exiv2
 Version: 0.27.5
-Release: 2
+Release: 3
 Summary: Exif, IPTC and XMP metadata and the ICC Profile
 License: GPLv2+
 URL:     http://www.exiv2.org/
 Source0: https://github.com/Exiv2/exiv2/archive/refs/tags/v%{version}.tar.gz
+Patch0001:  CVE-2022-3755.patch
+Patch0002:  CVE-2022-3756.patch
 
-Patch: CVE-2022-3755.patch
 Provides: exiv2-libs
 Obsoletes: exiv2-libs
 
@@ -75,6 +76,9 @@ test -x %{buildroot}%{_libdir}/libexiv2.so
 %{_pkgdocdir}/
 
 %changelog
+* Thu Nov 10 2022 jiangpeng <jiangpeng01@ncti-gba.cn> - 0.27.5-3
+- Fix CVE-2022-3756
+
 * Sat Sep 17 2022 qz_cx <wangqingzheng@kylinos.cn> - 0.27.5-2
 - Type:CVE
 - ID:NA
-- 
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