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=c0e8f0493ae6dfbecf98419c6ee25bc87135fd73'>root</a>/<a href='/guix/log/tests?id=c0e8f0493ae6dfbecf98419c6ee25bc87135fd73'>tests</a>/<a href='/guix/log/tests/pack.scm?id=c0e8f0493ae6dfbecf98419c6ee25bc87135fd73'>pack.scm</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/tests/pack.scm?id=c0e8f0493ae6dfbecf98419c6ee25bc87135fd73&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2017-03-22 15:02:33 +0100'>2017-03-22</span></td><td><a href='/guix/commit/tests/pack.scm?id=50b4d3ac2699764079882eea164cb176a74799aa'>tests: Skip 'guix pack' test when networking is unavailable.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-03-17 23:25:53 +0100'>2017-03-17</span></td><td><a href='/guix/commit/tests/pack.scm?id=48b444304e206c35cf2c8e0d87a4711f1aac4fd4'>pack: Move absolute file name to &lt;compressor&gt;.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-03-14 23:18:32 +0100'>2017-03-14</span></td><td><a href='/guix/commit/tests/pack.scm?id=850edd77f92c1f40a1593f3505ff82fdd8719bad'>pack: Add unit test.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>