diff --git a/libdwarf-0.4.2.tar.xz b/libdwarf-0.4.2.tar.xz
new file mode 100644
index 0000000000000000000000000000000000000000..9a0de008c8f6b562a2675e9e9b5544adf79a076f
Binary files /dev/null and b/libdwarf-0.4.2.tar.xz differ
diff --git a/libdwarf-20210528.tar.gz b/libdwarf-20210528.tar.gz
deleted file mode 100644
index 163b5d91d85e3d75039a8802f6dd815c3d44fcd0..0000000000000000000000000000000000000000
Binary files a/libdwarf-20210528.tar.gz and /dev/null differ
diff --git a/libdwarf.spec b/libdwarf.spec
index 153c465070961bb8b19b3822736cc46f1b2d9965..48ac72d1d91a9d4df141146a6272cb93ecaca13d 100644
--- a/libdwarf.spec
+++ b/libdwarf.spec
@@ -1,10 +1,10 @@
 Name:          libdwarf
-Version:       20210528
+Version:       0.4.2
 Release:       1
 Summary:       Library to access DWARF debugging information
 License:       LGPLv2
-URL:           http://www.prevanders.net/dwarf.html
-Source0:       http://www.prevanders.net/%{name}-%{version}.tar.gz
+URL:           https://www.prevanders.net/dwarf.html
+Source0:       https://www.prevanders.net/%{name}-%{version}.tar.xz
 BuildRequires: gcc binutils-devel elfutils-libelf-devel dos2unix
 
 %description
@@ -32,47 +32,45 @@ Libdwarf-tools contains dwarfdump, a tool to access DWARF debug information.
 %prep
 %autosetup -n %{name}-%{version} -p1
 
+
 %build
 %configure --enable-shared
-sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
-sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
 %make_build
 
 %install
 %make_install
-install -d %{buildroot}%{_includedir}/libdwarf
-mv %{buildroot}%{_includedir}/*.h %{buildroot}%{_includedir}/libdwarf
-
-%delete_la
 
 %check
-LD_LIBRARY_PATH=$PWD/libdwarf/.libs %__make check
+TZ=:America/Los_Angeles %__make check
 
 %files
 %defattr(-,root,root)
-%license libdwarf/{COPYING,LIBDWARFCOPYRIGHT,LGPL.txt}
+%doc src/lib/libdwarf/ChangeLog src/lib/libdwarf/README
+%license src/lib/libdwarf/{COPYING,LIBDWARFCOPYRIGHT,LGPL.txt}
 %{_libdir}/libdwarf.so.*
-%exclude %{_datadir}/libdwarf
 
 %files devel
 %defattr(-,root,root)
-%{_includedir}/libdwarf
-%{_libdir}/libdwarf.so
+%{_includedir}/libdwarf-0
 %{_libdir}/{libdwarf.so,libdwarf.a}
+%{_libdir}/pkgconfig/libdwarf.pc
+%{_libdir}/libdwarf.la
 
 %files tools
 %defattr(-,root,root)
-%doc dwarfdump/{README,ChangeLog}
-%license dwarfdump/{COPYING,DWARFDUMPCOPYRIGHT,GPL.txt}
+%license src/bin/dwarfdump/{COPYING,DWARFDUMPCOPYRIGHT,GPL.txt}
 %{_bindir}/dwarfdump
 %{_datadir}/dwarfdump/dwarfdump.conf
 
 %files help
 %defattr(-,root,root)
-%doc libdwarf/{ChangeLog,README,*.pdf}
+%doc src/lib/libdwarf/{ChangeLog,README,*.pdf}
 %{_mandir}/man1/dwarfdump.1.gz
 
 %changelog
+* Tue Sep 13 2022 liyuxiang<liyuxiang@ncti-gba.cn> - 0.4.2-1
+- upgrade to version 0.4.2 to fixed CVE-2022-39170
+
 * Tue Jul 26 2022 panys<panyanshuang@nati-gba.cn> - 20210528-1
 - upgrade to version 20210528
 
@@ -81,3 +79,4 @@ LD_LIBRARY_PATH=$PWD/libdwarf/.libs %__make check
 
 * Tue Nov 05 2019 yanzhihua <yanzhihua4@huawei.com> - 20180809-2
 - Package init
+