From: Michael R Sweet <michael.r.sweet@gmail.com>
Date: Tue, 7 Jun 2022 17:45:29 +0000 (-0400)
Subject: Fix OpenSSL crash bug - "tls" pointer wasn't cleared after freeing it (Issue #409)
X-Git-Tag: v2.4.3~171
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c0c403744b1bf4a9790a8fcaabcd60970cbefe06;p=thirdparty%2Fcups.git

Fix OpenSSL crash bug - "tls" pointer wasn't cleared after freeing it (Issue #409)
---

diff --git a/CHANGES.md b/CHANGES.md
index 8b78b003fa..befbf3ab44 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -6,6 +6,7 @@ Changes in CUPS v2.4.3 (TBA)
 
 - Added a title with device uri for found network printers (Issues #402, #393)
 - Fixed configuration on RISC-V machines (Issue #404)
+- Fixed an OpenSSL crash bug (Issue #409)
 
 
 Changes in CUPS v2.4.2 (26th May 2022)
diff --git a/cups/tls-openssl.c b/cups/tls-openssl.c
index c3e57742e8..6db9f8a9c2 100644
--- a/cups/tls-openssl.c
+++ b/cups/tls-openssl.c
@@ -1152,6 +1152,8 @@ _httpTLSStop(http_t *http)		// I - Connection to server
   SSL_shutdown(http->tls);
   SSL_CTX_free(context);
   SSL_free(http->tls);
+
+  http->tls = NULL;
 }