diff --git a/aspell-CVE-2019-25051.patch b/aspell-CVE-2019-25051.patch
new file mode 100644
index 0000000..4f4e3d8
--- /dev/null
+++ b/aspell-CVE-2019-25051.patch
@@ -0,0 +1,86 @@
+diff --git a/common/objstack.hpp b/common/objstack.hpp
+index 3997bf7..bd97ccd 100644
+--- a/common/objstack.hpp
++++ b/common/objstack.hpp
+@@ -5,6 +5,7 @@
+ #include "parm_string.hpp"
+ #include <stdlib.h>
+ #include <assert.h>
++#include <stddef.h>
+ 
+ namespace acommon {
+ 
+@@ -26,6 +27,12 @@ class ObjStack
+   byte * temp_end;
+   void setup_chunk();
+   void new_chunk();
++  bool will_overflow(size_t sz) const {
++    return offsetof(Node,data) + sz > chunk_size;
++  }
++  void check_size(size_t sz) {
++    assert(!will_overflow(sz));
++  }
+ 
+   ObjStack(const ObjStack &);
+   void operator=(const ObjStack &);
+@@ -56,7 +63,7 @@ class ObjStack
+   void * alloc_bottom(size_t size)  {
+     byte * tmp = bottom;
+     bottom += size;
+-    if (bottom > top) {new_chunk(); tmp = bottom; bottom += size;}
++    if (bottom > top) {check_size(size); new_chunk(); tmp = bottom; bottom += size;}
+     return tmp;
+   }
+   // This alloc_bottom will insure that the object is aligned based on the
+@@ -66,7 +73,7 @@ class ObjStack
+     align_bottom(align);
+     byte * tmp = bottom;
+     bottom += size;
+-    if (bottom > top) {new_chunk(); goto loop;}
++    if (bottom > top) {check_size(size); new_chunk(); goto loop;}
+     return tmp;
+   }
+   char * dup_bottom(ParmString str) {
+@@ -79,7 +86,7 @@ class ObjStack
+   // always be aligned as such.
+   void * alloc_top(size_t size) {
+     top -= size;
+-    if (top < bottom) {new_chunk(); top -= size;}
++    if (top < bottom) {check_size(size); new_chunk(); top -= size;}
+     return top;
+   }
+   // This alloc_top will insure that the object is aligned based on
+@@ -88,7 +95,7 @@ class ObjStack
+   {loop:
+     top -= size;
+     align_top(align);
+-    if (top < bottom) {new_chunk(); goto loop;}
++    if (top < bottom) {check_size(size); new_chunk(); goto loop;}
+     return top;
+   }
+   char * dup_top(ParmString str) {
+@@ -117,6 +124,7 @@ class ObjStack
+   void * alloc_temp(size_t size) {
+     temp_end = bottom + size;
+     if (temp_end > top) {
++      check_size(size);
+       new_chunk();
+       temp_end = bottom + size;
+     }
+@@ -131,6 +139,7 @@ class ObjStack
+     } else {
+       size_t s = temp_end - bottom;
+       byte * p = bottom;
++      check_size(size);
+       new_chunk();
+       memcpy(bottom, p, s);
+       temp_end = bottom + size;
+@@ -150,6 +159,7 @@ class ObjStack
+     } else {
+       size_t s = temp_end - bottom;
+       byte * p = bottom;
++      check_size(size);
+       new_chunk();
+       memcpy(bottom, p, s);
+       temp_end = bottom + size;
+
diff --git a/aspell-quotes.patch b/aspell-quotes.patch
index 5adcb8f..353b97e 100644
--- a/aspell-quotes.patch
+++ b/aspell-quotes.patch
@@ -1,5 +1,5 @@
---- scripts/run-with-aspell.create
-+++ scripts/run-with-aspell.create
+--- a/scripts/run-with-aspell.create
++++ b/scripts/run-with-aspell.create
 @@ -3,5 +3,5 @@
  echo "#!/bin/sh"
  echo "PATH=$1:\$PATH"
diff --git a/aspell-strict-aliasing.patch b/aspell-strict-aliasing.patch
index fcab5b7..4ccd3c5 100644
--- a/aspell-strict-aliasing.patch
+++ b/aspell-strict-aliasing.patch
@@ -1,5 +1,5 @@
---- modules/speller/default/writable.cpp
-+++ modules/speller/default/writable.cpp
+--- a/modules/speller/default/writable.cpp
++++ b/modules/speller/default/writable.cpp
 @@ -672,7 +672,7 @@
  
  static void repl_next(WordEntry * w)
@@ -9,8 +9,8 @@
    const Str *   end = (const Str *  )(w->intr[1]);
    set_word(*w, *i);
    ++i;
---- modules/speller/default/writable.cpp
-+++ modules/speller/default/writable.cpp
+--- a/modules/speller/default/writable.cpp
++++ b/modules/speller/default/writable.cpp
 @@ -246,7 +246,7 @@
  
  static void soundslike_next(WordEntry * w)
diff --git a/aspell.changes b/aspell.changes
index 15e0311..6519604 100644
--- a/aspell.changes
+++ b/aspell.changes
@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Mon Aug  2 14:34:44 UTC 2021 - pgajdos@suse.com
+
+- security update
+- modified patches
+  % aspell-quotes.patch (p1)
+  % aspell-strict-aliasing.patch (p1)
+- added patches
+  fix CVE-2019-25051 [bsc#1188576], heap-buffer-overflow in acommon:ObjStack:dup_top
+  + aspell-CVE-2019-25051.patch
+
 -------------------------------------------------------------------
 Fri Oct  9 14:19:57 UTC 2020 - pgajdos@suse.com
 
diff --git a/aspell.spec b/aspell.spec
index ac064c3..7c8b916 100644
--- a/aspell.spec
+++ b/aspell.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package aspell
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -31,12 +31,14 @@ Source100:      baselibs.conf
 Patch0:         aspell-strict-aliasing.patch
 # PATCH-FIX-OPENSUSE aspell-quotes.patch lmichnovic@suse.cz -- Fix command execution in script "run-with-aspell"
 Patch1:         aspell-quotes.patch
+# CVE-2019-25051 [bsc#1188576], heap-buffer-overflow in acommon:ObjStack:dup_top
+Patch2:         aspell-CVE-2019-25051.patch
 BuildRequires:  fdupes
 BuildRequires:  gcc-c++
 BuildRequires:  libtool
 BuildRequires:  ncurses-devel
 Requires(post): info
-Requires(preun): info
+Requires(preun):info
 Recommends:     aspell-en
 Suggests:       aspell-ispell
 Suggests:       aspell-spell
@@ -61,7 +63,7 @@ Requires:       glibc-devel
 Requires:       libaspell15 = %{version}
 Requires:       libpspell15 = %{version}
 Requires(post): info
-Requires(preun): info
+Requires(preun):info
 Provides:       pspell-devel = %{version}
 Obsoletes:      pspell-devel < %{version}
 
@@ -117,7 +119,7 @@ can be used as a library or as an independent spell checker.
 This package contains the pspell compatibility library.
 
 %prep
-%autosetup -p0
+%autosetup -p1
 
 %build
 autoreconf -fiv