diff --git a/00279-fix-memory-corruption-due-to-allocator-mix.patch b/00279-fix-memory-corruption-due-to-allocator-mix.patch
new file mode 100644
index 0000000..4937391
--- /dev/null
+++ b/00279-fix-memory-corruption-due-to-allocator-mix.patch
@@ -0,0 +1,13 @@
+diff --git a/Modules/getpath.c b/Modules/getpath.c
+index c4055be..1258fcd 100644
+--- a/Modules/getpath.c
++++ b/Modules/getpath.c
+@@ -735,7 +735,7 @@ calculate_path(void)
+     bufsz += wcslen(zip_path) + 1;
+     bufsz += wcslen(exec_prefix) + 1;
+ 
+-    buf = PyMem_New(wchar_t, bufsz);
++    buf = PyMem_RawMalloc(bufsz * sizeof(wchar_t));
+     if (buf == NULL) {
+         Py_FatalError(
+             "Not enough memory for dynamic PYTHONPATH");
diff --git a/python3.spec b/python3.spec
index 1e8b53e..abeecbf 100644
--- a/python3.spec
+++ b/python3.spec
@@ -125,7 +125,7 @@ Name: python3
 #  WARNING  When rebasing to a new Python version,
 #           remember to update the python3-docs package as well
 Version: %{pybasever}.3
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: Python
 Group: Development/Languages
 
@@ -425,6 +425,11 @@ Patch264: 00264-skip-test-failing-on-aarch64.patch
 # Fixed upstream: https://github.com/python/cpython/commit/11045c9d8a21dd9bd182a3939189db02815f9783
 Patch277: 00277-fix-test-subprocess-hanging-tests.patch
 
+# 00279 #
+# Fix memory corruption due to allocator mix
+# Fixed upstream: https://bugs.python.org/issue31532
+Patch279: 00279-fix-memory-corruption-due-to-allocator-mix.patch
+
 # (New patches go here ^^^)
 #
 # When adding new patches to "python" and "python3" in Fedora, EL, etc.,
@@ -1662,6 +1667,10 @@ fi
 # ======================================================
 
 %changelog
+* Mon Oct 09 2017 Charalampos Stratakis <cstratak@redhat.com> - 3.6.3-2
+- Fix memory corruption due to allocator mix
+Resolves: rhbz#1498207
+
 * Fri Oct 06 2017 Charalampos Stratakis <cstratak@redhat.com> - 3.6.3-1
 - Update to Python 3.6.3