gentoo-overlay/media-libs/libmikmod/files/libmikmod-3.2.0_beta2-CVE-2010-2546-2971.patch

Related: https://bugzilla.redhat.com/show_bug.cgi?id=614643#c6
Gentoo-bug: http://bugs.gentoo.org/335892
--- loaders/load_it.c.orig	2010-07-22 16:02:16.000000000 +0200
+++ loaders/load_it.c	2010-07-22 16:07:48.000000000 +0200
@@ -743,6 +743,8 @@ BOOL IT_Load(BOOL curious)
 #define IT_LoadEnvelope(name,type) 										\
 				ih. name##flg   =_mm_read_UBYTE(modreader);				\
 				ih. name##pts   =_mm_read_UBYTE(modreader);				\
+				if (ih. name##pts > ITENVCNT)							\
+					ih. name##pts = ITENVCNT;							\
 				ih. name##beg   =_mm_read_UBYTE(modreader);				\
 				ih. name##end   =_mm_read_UBYTE(modreader);				\
 				ih. name##susbeg=_mm_read_UBYTE(modreader);				\
@@ -756,6 +758,8 @@ BOOL IT_Load(BOOL curious)
 #define IT_LoadEnvelope(name,type) 										\
 				ih. name/**/flg   =_mm_read_UBYTE(modreader);			\
 				ih. name/**/pts   =_mm_read_UBYTE(modreader);			\
+				if (ih. name/**/pts > ITENVCNT)							\
+					ih. name/**/pts = ITENVCNT;							\
 				ih. name/**/beg   =_mm_read_UBYTE(modreader);			\
 				ih. name/**/end   =_mm_read_UBYTE(modreader);			\
 				ih. name/**/susbeg=_mm_read_UBYTE(modreader);			\
@@ -862,10 +866,6 @@ BOOL IT_Load(BOOL curious)
 #endif
 
 				IT_ProcessEnvelope(vol);
-				/* fix for CVE-2009-3995 - snatched from SuSe's fix -- AW */
-				if (ih.volpts>= ENVPOINTS)
-					ih.volpts = ENVPOINTS-1;
-
 				for(u=0;u<ih.volpts;u++)
 					d->volenv[u].val=(ih.volnode[u]<<2);