From: Wayne Davison <wayned@samba.org>
Date: Thu, 7 Jul 2005 21:14:29 +0000 (+0000)
Subject: Fix latest zlib security exploit (CAN-2005-2096).
X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/commitdiff_plain/b5be9e6c5f9feba4cf55feba83cee86039a37cea

Fix latest zlib security exploit (CAN-2005-2096).
---

diff --git a/zlib/inftrees.c b/zlib/inftrees.c
index 8a896b28..509461d9 100644
--- a/zlib/inftrees.c
+++ b/zlib/inftrees.c
@@ -134,7 +134,7 @@ unsigned short FAR *work;
         left -= count[len];
         if (left < 0) return -1;        /* over-subscribed */
     }
-    if (left > 0 && (type == CODES || (codes - count[0] != 1)))
+    if (left > 0 && (type == CODES || max != 1))
         return -1;                      /* incomplete set */
 
     /* generate offsets into symbol table for each length for sorting */