39 lines
1.2 KiB
Diff
39 lines
1.2 KiB
Diff
diff -up vim80/src/charset.c.cve4193 vim80/src/charset.c
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--- vim80/src/charset.c.cve4193 2022-01-12 14:49:08.710592947 +0100
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+++ vim80/src/charset.c 2022-01-12 14:49:47.594705863 +0100
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@@ -1291,10 +1291,15 @@ getvcol(
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posptr = NULL; /* continue until the NUL */
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else
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{
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- /* Special check for an empty line, which can happen on exit, when
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- * ml_get_buf() always returns an empty string. */
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- if (*ptr == NUL)
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- pos->col = 0;
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+ colnr_T i;
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+
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+ // In a few cases the position can be beyond the end of the line.
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+ for (i = 0; i < pos->col; ++i)
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+ if (ptr[i] == NUL)
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+ {
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+ pos->col = i;
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+ break;
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+ }
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posptr = ptr + pos->col;
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#ifdef FEAT_MBYTE
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if (has_mbyte)
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diff -up vim80/src/testdir/test_regexp_latin.vim.cve4193 vim80/src/testdir/test_regexp_latin.vim
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--- vim80/src/testdir/test_regexp_latin.vim.cve4193 2022-01-12 14:49:08.710592947 +0100
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+++ vim80/src/testdir/test_regexp_latin.vim 2022-01-12 14:50:45.186873107 +0100
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@@ -72,3 +72,11 @@ func Test_backref()
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call assert_fails('call search("\\%#=2\\(e\\1\\)")', 'E65:')
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bwipe!
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endfunc
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+
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+func Test_using_invalid_visual_position()
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+ " this was going beyond the end of the line
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+ new
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+ exe "norm 0o000\<Esc>0\<C-V>$s0"
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+ /\%V
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+ bwipe!
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+endfunc
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