summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorneonene <53406459+neonene@users.noreply.github.com>2019-09-09 12:33:43 (GMT)
committerSteve Dower <steve.dower@python.org>2019-09-09 12:33:43 (GMT)
commited70129e15ea028469145111044a4349960a4e6f (patch)
tree460ba098e0afe9dab035f62e1f08f67d074a82d4
parentb4612f5d54aced5bc37f1b85bf50b4cafa2480f0 (diff)
downloadcpython-ed70129e15ea028469145111044a4349960a4e6f.zip
cpython-ed70129e15ea028469145111044a4349960a4e6f.tar.gz
cpython-ed70129e15ea028469145111044a4349960a4e6f.tar.bz2
bpo-37702: Fix SSL's certificate-store leak on Windows (GH-15632)
ssl_collect_certificates function in _ssl.c has a memory leak. Calling CertOpenStore() and CertAddStoreToCollection(), a store's refcnt gets incremented by 2. But CertCloseStore() is called only once and the refcnt leaves 1.
-rw-r--r--Misc/NEWS.d/next/Windows/2019-07-29-16-49-31.bpo-37702.Lj2f5e.rst2
-rw-r--r--Modules/_ssl.c1
2 files changed, 3 insertions, 0 deletions
diff --git a/Misc/NEWS.d/next/Windows/2019-07-29-16-49-31.bpo-37702.Lj2f5e.rst b/Misc/NEWS.d/next/Windows/2019-07-29-16-49-31.bpo-37702.Lj2f5e.rst
new file mode 100644
index 0000000..67d53d4
--- /dev/null
+++ b/Misc/NEWS.d/next/Windows/2019-07-29-16-49-31.bpo-37702.Lj2f5e.rst
@@ -0,0 +1,2 @@
+Fix memory leak on Windows in creating an SSLContext object or
+running urllib.request.urlopen('https://...'). \ No newline at end of file
diff --git a/Modules/_ssl.c b/Modules/_ssl.c
index 3d63612..d94efa9 100644
--- a/Modules/_ssl.c
+++ b/Modules/_ssl.c
@@ -5581,6 +5581,7 @@ ssl_collect_certificates(const char *store_name)
if (result) {
++storesAdded;
}
+ CertCloseStore(hSystemStore, 0); /* flag must be 0 */
}
}
if (storesAdded == 0) {