Patch 7.2a.006
Problem: Reading past NUL in a string.
Solution: Check for invalid utf-8 byte sequence. (Dominique Pelle)
Files: src/charset.c
*** ../vim-7.2a.005/src/charset.c Tue Jun 24 23:25:31 2008
--- src/charset.c Sat Jun 28 12:35:01 2008
***************
*** 449,461 ****
{
if (enc_utf8)
{
! int c, lc;
!
! c = utf_ptr2char(STR_PTR(i));
! lc = utf_tolower(c);
! if (c != lc)
{
- int ol = utf_char2len(c);
int nl = utf_char2len(lc);
/* If the byte length changes need to shift the following
--- 449,463 ----
{
if (enc_utf8)
{
! int c = utf_ptr2char(STR_PTR(i));
! int ol = utf_ptr2len(STR_PTR(i));
! int lc = utf_tolower(c);
!
! /* Only replace the character when it is not an invalid
! * sequence (ASCII character or more than one byte) and
! * utf_tolower() doesn't return the original character. */
! if ((c < 0x80 || ol > 1) && c != lc)
{
int nl = utf_char2len(lc);
/* If the byte length changes need to shift the following
*** ../vim-7.2a.005/src/version.c Fri Jun 27 21:16:33 2008
--- src/version.c Sat Jun 28 12:48:02 2008
***************
*** 678,679 ****
--- 678,681 ----
{ /* Add new patch number below this line */
+ /**/
+ 6,
/**/
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