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Bash-3.1 Official Patch 19


From: Chet Ramey
Subject: Bash-3.1 Official Patch 19
Date: Fri, 26 Sep 2014 17:19:22 -0400

                             BASH PATCH REPORT
                             =================

Bash-Release: 3.1
Patch-ID: bash31-019

Bug-Reported-by:        Tavis Ormandy <address@hidden>
Bug-Reference-ID:
Bug-Reference-URL:      http://twitter.com/taviso/statuses/514887394294652929

Bug-Description:

Under certain circumstances, bash can incorrectly save a lookahead character and
return it on a subsequent call, even when reading a new line.

Patch:

*** ../bash-3.1.18/parse.y      2006-04-12 08:40:35.000000000 -0400
--- parse.y     2014-09-25 16:40:46.000000000 -0400
***************
*** 2501,2504 ****
--- 2501,2506 ----
    word_desc_to_read = (WORD_DESC *)NULL;
  
+   eol_ungetc_lookahead = 0;
+ 
    last_read_token = '\n';
    token_to_read = '\n';
*** ../bash-3.1/patchlevel.h    Wed Jul 20 13:58:20 2005
--- patchlevel.h        Wed Dec  7 13:48:42 2005
***************
*** 26,30 ****
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 18
  
  #endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 19
  
  #endif /* _PATCHLEVEL_H_ */

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/



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