[xiph-commits] r16597 - trunk/vorbis/lib

[tterribe at svn.xiph.org]

Author: tterribe
Date: 2009-09-30 19:54:22 -0700 (Wed, 30 Sep 2009)
New Revision: 16597

Modified:
   trunk/vorbis/lib/codebook.c
Log:
Don't allow ordered codebooks with codeword lengths longer than 32 bits.


Modified: trunk/vorbis/lib/codebook.c
===================================================================
--- trunk/vorbis/lib/codebook.c	2009-09-29 22:46:49 UTC (rev 16596)
+++ trunk/vorbis/lib/codebook.c	2009-10-01 02:54:22 UTC (rev 16597)
@@ -198,6 +198,7 @@
       for(i=0;i<s->entries;){
         long num=oggpack_read(opb,_ilog(s->entries-i));
         if(num==-1)goto _eofout;
+        if(length>32)goto _errout;
         for(j=0;j<num && i<s->entries;j++,i++)
           s->lengthlist[i]=length;
         length++;