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$NetBSD: patch-aa,v 1.19 2010/08/04 17:48:22 tron Exp $
Fix for CVE-2010-2233 taken from here ...
http://bugzilla.maptools.org/show_bug.cgi?id=2207
... and for CVE-2010-2483 taken from here:
https://bugzilla.redhat.com/show_bug.cgi?id=603081
--- libtiff/tif_getimage.c.orig 2010-06-08 19:50:42.000000000 +0100
+++ libtiff/tif_getimage.c 2010-08-04 18:20:24.000000000 +0100
@@ -1846,6 +1846,7 @@
DECLAREContigPutFunc(putcontig8bitYCbCr22tile)
{
uint32* cp2;
+ int32 incr = 2*toskew+w;
(void) y;
fromskew = (fromskew / 2) * 6;
cp2 = cp+w+toskew;
@@ -1872,8 +1873,8 @@
cp2 ++ ;
pp += 6;
}
- cp += toskew*2+w;
- cp2 += toskew*2+w;
+ cp += incr;
+ cp2 += incr;
pp += fromskew;
h-=2;
}
@@ -1939,6 +1940,7 @@
DECLAREContigPutFunc(putcontig8bitYCbCr12tile)
{
uint32* cp2;
+ int32 incr = 2*toskew+w;
(void) y;
fromskew = (fromskew / 2) * 4;
cp2 = cp+w+toskew;
@@ -1953,8 +1955,8 @@
cp2 ++;
pp += 4;
} while (--x);
- cp += toskew*2+w;
- cp2 += toskew*2+w;
+ cp += incr;
+ cp2 += incr;
pp += fromskew;
h-=2;
}
@@ -2397,7 +2399,7 @@
}
break;
case PHOTOMETRIC_YCBCR:
- if (img->bitspersample == 8)
+ if ((img->bitspersample==8) && (img->samplesperpixel==3))
{
if (initYCbCrConversion(img)!=0)
{
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