From: Kevin Hock <hockkn@yahoo.com>
Date: Fri, 8 Jul 2005 17:52:57 +0000 (+0000)
Subject: Fix zlib buffer overflow vulnerability [ Patch 1234072 ]
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/7aaaff1c7b49e4f1905b002f1c7ae64e7fa4887f

Fix zlib buffer overflow vulnerability [ Patch 1234072 ]


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@34824 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/src/zlib/inftrees.c b/src/zlib/inftrees.c
index 8a896b2879..509461d927 100644
--- a/src/zlib/inftrees.c
+++ b/src/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 */