Fixes CVE-2014-3618 (heap overflow in formisc.c allowing denial of
service and potential remote execution of arbitrary code).
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3618

Source:
http://seclists.org/oss-sec/2014/q3/495

Adopted by Debian as patch '27':
https://sources.debian.net/src/procmail/3.22-25/debian/patches/27/

--- a/src/formisc.c
+++ b/src/formisc.c
@@ -84,12 +84,11 @@
 	case '"':*target++=delim='"';start++;
       }
      ;{ int i;
-	do
+	while(*start)
 	   if((i= *target++= *start++)==delim)	 /* corresponding delimiter? */
 	      break;
 	   else if(i=='\\'&&*start)		    /* skip quoted character */
 	      *target++= *start++;
-	while(*start);						/* anything? */
       }
      hitspc=2;
    }
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<div class='path'>path: <a href='/guix/log/?id=df7ebbd9bd7c430ee396295ddde1ba32f45af246'>root</a>/<a href='/guix/log/nix?id=df7ebbd9bd7c430ee396295ddde1ba32f45af246'>nix</a>/<a href='/guix/log/nix/libstore?id=df7ebbd9bd7c430ee396295ddde1ba32f45af246'>libstore</a>/<a href='/guix/log/nix/libstore/builtins.hh?id=df7ebbd9bd7c430ee396295ddde1ba32f45af246'>builtins.hh</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/nix/libstore/builtins.hh?id=df7ebbd9bd7c430ee396295ddde1ba32f45af246&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2017-01-11 17:06:31 +0100'>2017-01-11</span></td><td><a href='/guix/commit/nix/libstore/builtins.hh?id=9b5364a3afb03414bd6e3ded2fbfdacabe4e8870'>daemon: Allow check builds of 'builtin:download' derivations.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-11-16 18:19:54 +0100'>2016-11-16</span></td><td><a href='/guix/commit/nix/libstore/builtins.hh?id=f9aefa2d5fb3f6aad25a907939ee872c828b33d0'>daemon: Add 'built-in-builders' RPC.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-11-16 18:19:47 +0100'>2016-11-16</span></td><td><a href='/guix/commit/nix/libstore/builtins.hh?id=94d92c7796a3dd50c27d532315f7d497ac99f08e'>daemon: Add "builtin:download" derivation builder.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>