diff -Nru tigervnc-1.12.0+dfsg/debian/changelog tigervnc-1.12.0+dfsg/debian/changelog
--- tigervnc-1.12.0+dfsg/debian/changelog	2022-03-25 17:06:01.000000000 +0000
+++ tigervnc-1.12.0+dfsg/debian/changelog	2024-01-23 19:20:24.000000000 +0000
@@ -1,3 +1,11 @@
+tigervnc (1.12.0+dfsg-4ubuntu0.22.04.1) jammy; urgency=medium
+
+  * SECURITY UPDATE: Enforce building of TigerVNC against a version of
+    xorg-server-source that is not vulnerable to CVE-2023-1393.
+    (LP: #2048442)
+
+ -- Aaron Rainbolt <arraybolt3@ubuntu.com>  Tue, 23 Jan 2024 19:20:24 +0000
+
 tigervnc (1.12.0+dfsg-4) unstable; urgency=medium
 
   * Backported a Debian change applied upstream that provides app stream
diff -Nru tigervnc-1.12.0+dfsg/debian/control tigervnc-1.12.0+dfsg/debian/control
--- tigervnc-1.12.0+dfsg/debian/control	2022-03-25 10:17:14.000000000 +0000
+++ tigervnc-1.12.0+dfsg/debian/control	2024-01-23 19:11:43.000000000 +0000
@@ -1,7 +1,8 @@
 Source: tigervnc
 Section: x11
 Priority: optional
-Maintainer: TigerVNC Packaging Team <pkg-tigervnc-devel@lists.alioth.debian.org>
+XSBC-Original-Maintainer: TigerVNC Packaging Team <pkg-tigervnc-devel@lists.alioth.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
 Uploaders:
  Joachim Falk <joachim.falk@gmx.de>,
  Mike Gabriel <sunweaver@debian.org>,
@@ -27,7 +28,7 @@
  libxdamage-dev,
  libwrap0-dev,
  libfltk1.3-dev (>= 1.3.3),
- xorg-server-source (>= 2:21),
+ xorg-server-source (>= 2:21.1.3-2ubuntu2.9),
  xserver-xorg-dev,
  appstream,
 # this are dependencies from xorg-server-21.1.3 source deb