diff --git a/debian/changelog b/debian/changelog
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+lxqt-policykit (0.16.0-1ubuntu2) hirsute; urgency=medium
+
+  * Fix crashes with more than one sudoer (LP: #1875774)
+    - Added patch better-memory-handling.diff
+
+ -- apt-ghetto <apt-ghetto@protonmail.com>  Fri, 05 Nov 2021 17:53:25 +0100
+
 lxqt-policykit (0.16.0-1ubuntu1) hirsute; urgency=medium
 
   * New upstream version.
diff --git a/debian/patches/better-memory-handling.diff b/debian/patches/better-memory-handling.diff
new file mode 100644
--- /dev/null
+++ b/debian/patches/better-memory-handling.diff
@@ -0,0 +1,68 @@
+Author: Palo Kisa <palo.kisa@gmail.com>
+Origin: https://github.com/lxqt/lxqt-policykit/commit/fc57746b8ccb62536ef158a1b01b47ef327c7fbd.patch
+Description: PolicykitAgent: Add better memory handling
+ Don't delete the session in the slot as we can't be sure if any other
+ activity is done on the sender object after our slot finishes.
+Bug: https://github.com/lxqt/lxqt-policykit/issues/105
+Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/lxqt-policykit/+bug/1875774
+Last-Update: 2021-09-06
+---
+ src/policykitagent.cpp | 13 ++++++++++---
+ src/policykitagent.h   |  3 +++
+ 2 files changed, 13 insertions(+), 3 deletions(-)
+
+--- a/src/policykitagent.cpp
++++ b/src/policykitagent.cpp
+@@ -59,6 +59,14 @@ PolicykitAgent::~PolicykitAgent()
+     if(m_infobox) {
+       delete m_infobox;
+     }
++    deleteSessions();
++}
++
++void PolicykitAgent::deleteSessions()
++{
++    for (auto i = m_SessionIdentity.begin(), i_e = m_SessionIdentity.end(); i != i_e; ++i)
++        delete i.key();
++    m_SessionIdentity.clear();
+ }
+
+
+@@ -76,7 +84,7 @@ void PolicykitAgent::initiateAuthenticat
+         return;
+     }
+     m_inProgress = true;
+-    m_SessionIdentity.clear();
++    deleteSessions();
+
+     if (m_gui)
+     {
+@@ -138,7 +146,7 @@ void PolicykitAgent::completed(bool gain
+     Q_ASSERT(session);
+     Q_ASSERT(m_gui);
+
+-    if (m_gui->identity() == m_SessionIdentity[session].toString())
++    if (m_inProgress && m_gui->identity() == m_SessionIdentity[session].toString())
+     {
+         if (!gainedAuthorization)
+         {
+@@ -154,7 +162,6 @@ void PolicykitAgent::completed(bool gain
+       m_infobox->hide();
+       delete m_infobox;
+     }
+-    delete session;
+ }
+
+ void PolicykitAgent::showError(const QString &text)
+--- a/src/policykitagent.h
++++ b/src/policykitagent.h
+@@ -68,6 +68,9 @@ public slots:
+     void showError(const QString &text);
+     void showInfo(const QString &text);
+
++protected:
++    void deleteSessions();
++
+ private:
+     bool m_inProgress;
+     PolicykitAgentGUI * m_gui;
diff --git a/debian/patches/series b/debian/patches/series
new file mode 100644
--- /dev/null
+++ b/debian/patches/series
@@ -0,0 +1 @@
+better-memory-handling.diff