--- /dev/null
+CVE: CVE-2021-3927
+Upstream-Status: Backport
+Signed-off-by: Ross Burton <ross.burton@arm.com>
+
+From 93b427c6e729260d0700c3b2804ec153bc8284fa Mon Sep 17 00:00:00 2001
+From: Bram Moolenaar <Bram@vim.org>
+Date: Thu, 4 Nov 2021 15:10:11 +0000
+Subject: [PATCH] patch 8.2.3581: reading character past end of line
+
+Problem: Reading character past end of line.
+Solution: Correct the cursor column.
+---
+ src/ex_docmd.c | 1 +
+ src/testdir/test_put.vim | 12 ++++++++++++
+ src/version.c | 2 ++
+ 3 files changed, 15 insertions(+)
+
+diff --git a/src/ex_docmd.c b/src/ex_docmd.c
+index fde726477..59e245bee 100644
+--- a/src/ex_docmd.c
++++ b/src/ex_docmd.c
+@@ -6905,6 +6905,7 @@ ex_put(exarg_T *eap)
+ eap->forceit = TRUE;
+ }
+ curwin->w_cursor.lnum = eap->line2;
++ check_cursor_col();
+ do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
+ PUT_LINE|PUT_CURSLINE);
+ }
+diff --git a/src/testdir/test_put.vim b/src/testdir/test_put.vim
+index 225ebd1f3..922e5b269 100644
+--- a/src/testdir/test_put.vim
++++ b/src/testdir/test_put.vim
+@@ -113,3 +113,15 @@ func Test_put_p_indent_visual()
+ call assert_equal('select that text', getline(2))
+ bwipe!
+ endfunc
++
++func Test_put_above_first_line()
++ new
++ let @" = 'text'
++ silent! normal 0o00
++ 0put
++ call assert_equal('text', getline(1))
++ bwipe!
++endfunc
++
++
++" vim: shiftwidth=2 sts=2 expandtab
+diff --git a/src/version.c b/src/version.c
+index a9e8be0e7..df4ec9a47 100644
+--- a/src/version.c
++++ b/src/version.c
+@@ -742,6 +742,8 @@ static char *(features[]) =
+
+ static int included_patches[] =
+ { /* Add new patch number below this line */
++/**/
++ 3581,
+ /**/
+ 3564,
+ /**/
--- /dev/null
+CVE: CVE-2021-3928
+Upstream-Status: Backport
+Signed-off-by: Ross Burton <ross.burton@arm.com>
+
+From ade0f0481969f1453c60e7c8354b00dfe4238739 Mon Sep 17 00:00:00 2001
+From: Bram Moolenaar <Bram@vim.org>
+Date: Thu, 4 Nov 2021 15:46:05 +0000
+Subject: [PATCH] patch 8.2.3582: reading uninitialized memory when giving
+ spell suggestions
+
+Problem: Reading uninitialized memory when giving spell suggestions.
+Solution: Check that preword is not empty.
+---
+ src/spellsuggest.c | 2 +-
+ src/testdir/test_spell.vim | 8 ++++++++
+ src/version.c | 2 ++
+ 3 files changed, 11 insertions(+), 1 deletion(-)
+
+diff --git a/src/spellsuggest.c b/src/spellsuggest.c
+index 9d6df7930..8615d5280 100644
+--- a/src/spellsuggest.c
++++ b/src/spellsuggest.c
+@@ -1600,7 +1600,7 @@ suggest_trie_walk(
+ // char, e.g., "thes," -> "these".
+ p = fword + sp->ts_fidx;
+ MB_PTR_BACK(fword, p);
+- if (!spell_iswordp(p, curwin))
++ if (!spell_iswordp(p, curwin) && *preword != NUL)
+ {
+ p = preword + STRLEN(preword);
+ MB_PTR_BACK(preword, p);
+diff --git a/src/testdir/test_spell.vim b/src/testdir/test_spell.vim
+index 79fb8927c..e435e9172 100644
+--- a/src/testdir/test_spell.vim
++++ b/src/testdir/test_spell.vim
+@@ -498,6 +498,14 @@ func Test_spell_screendump()
+ call delete('XtestSpell')
+ endfunc
+
++func Test_spell_single_word()
++ new
++ silent! norm 0R00
++ spell! ßÂ
++ silent 0norm 0r$ Dvz=
++ bwipe!
++endfunc
++
+ let g:test_data_aff1 = [
+ \"SET ISO8859-1",
+ \"TRY esianrtolcdugmphbyfvkwjkqxz-\xEB\xE9\xE8\xEA\xEF\xEE\xE4\xE0\xE2\xF6\xFC\xFB'ESIANRTOLCDUGMPHBYFVKWJKQXZ",
+diff --git a/src/version.c b/src/version.c
+index df4ec9a47..e1bc0d09b 100644
+--- a/src/version.c
++++ b/src/version.c
+@@ -742,6 +742,8 @@ static char *(features[]) =
+
+ static int included_patches[] =
+ { /* Add new patch number below this line */
++/**/
++ 3582,
+ /**/
+ 3581,
+ /**/
