diff --git a/.gitignore b/.gitignore
index 7c206af..30313c9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@ libmatroska-1.0.0.tar.bz2
 /libmatroska-1.4.7.tar.bz2
 /libmatroska-1.4.8.tar.xz
 /libmatroska-1.4.9.tar.xz
+/libmatroska-1.5.0.tar.xz
diff --git a/libmatroska.spec b/libmatroska.spec
index de4de0f..eda5d8b 100644
--- a/libmatroska.spec
+++ b/libmatroska.spec
@@ -1,13 +1,15 @@
 Summary:	Open audio/video container format library
 Name:		libmatroska
-Version:	1.4.9
-Release:	3%{?dist}
+Version:	1.5.0
+Release:	1%{?dist}
 License:	LGPLv2+
 URL:		https://www.matroska.org/
 Source0:	https://dl.matroska.org/downloads/%{name}/%{name}-%{version}.tar.xz
-BuildRequires:	cmake
+Patch0:		%{name}-memory.patch
+BuildRequires:	cmake3
 BuildRequires:	gcc-c++
-BuildRequires:	libebml-devel >= 1.3.6
+BuildRequires:	libebml-devel >= 1.3.7
+Requires:	libebml%{_isa} >= 1.3.7
 
 %description
 Matroska is an extensible open standard Audio/Video container.  It
@@ -19,8 +21,8 @@ is usually found as .mkv files (matroska video) and .mka files
 %package	devel
 Summary:	Matroska container format library development files
 Requires:	%{name}%{_isa} = %{version}-%{release}
-Requires:	cmake-filesystem
-Requires:	libebml-devel >= 1.3.6
+Requires:	%{_libdir}/cmake
+Requires:	libebml-devel >= 1.3.7
 Requires:	pkgconfig
 
 %description	devel
@@ -35,10 +37,11 @@ will use the Matroska container format.
 
 %prep
 %setup -q
+%patch0 -p1 -b .m
 
 
 %build
-%cmake .
+%cmake3 .
 %make_build
 
 
@@ -52,12 +55,13 @@ will use the Matroska container format.
 %files
 %license LICENSE.LGPL
 %doc ChangeLog
-%{_libdir}/%{name}.so.*
+%{_libdir}/%{name}.so.6*
 
 %files devel
 %{_includedir}/matroska/
 %{_libdir}/%{name}.so
 %{_libdir}/pkgconfig/%{name}.pc
+%dir %{_libdir}/cmake/matroska
 %{_libdir}/cmake/matroska/MatroskaConfig.cmake
 %{_libdir}/cmake/matroska/MatroskaConfigVersion.cmake
 %{_libdir}/cmake/matroska/MatroskaTargets-noconfig.cmake
@@ -65,6 +69,11 @@ will use the Matroska container format.
 
 
 %changelog
+* Sat Jun 08 2019 Dominik Mierzejewski <rpm@greysector.net> - 1.5.0-1
+- update to 1.5.0
+- backport fixes for invalid memory access and null pointer dereference
+- fix unowned %{_libdir}/cmake/ebml directory
+
 * Fri Feb 01 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.4.9-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
 
diff --git a/sources b/sources
index 72990fa..4a9e637 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libmatroska-1.4.9.tar.xz) = 281224b66ce7ef39daf0f186cda1144250e190b914e64f4f2524e8bf0170a3d18dbc50f204d4ca8d7eaffe183a61f96c92ba6ec4325bacb068272d62cdbcef33
+SHA512 (libmatroska-1.5.0.tar.xz) = eb59b5afd9d510c2d6c7408b0053a261cee6669a9f5bbb1a939d98d96ac6c9b8f340691e95310268f59c954a1d9f72322fd0ec7b442a74c56cd2e2c22eb3a754