media-libs/lcms/files/lcms-CVE-2009-0793.patch


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diff --exclude-from=/home/dang/.scripts/diffrc -up -ruN lcms-1.18.orig/src/cmsxform.c lcms-1.18/src/cmsxform.c
--- lcms-1.18.orig/src/cmsxform.c	2009-03-21 11:31:52.000000000 -0400
+++ lcms-1.18/src/cmsxform.c	2009-04-06 09:24:26.000000000 -0400
@@ -660,6 +660,9 @@ LPMATSHAPER cmsBuildGrayOutputMatrixShap
                 GrayTRC = cmsReadICCGamma(hProfile, icSigGrayTRCTag);
                 FromLstarToXYZ(GrayTRC, Shapes1);
 
+		if (GrayTRC == NULL)
+			return NULL;
+
                 // Reversing must be done after curve translation
 
                 Shapes[0] = cmsReverseGamma(Shapes1[0]->nEntries, Shapes1[0]);
@@ -675,6 +678,9 @@ LPMATSHAPER cmsBuildGrayOutputMatrixShap
 
                 GrayTRC = cmsReadICCGammaReversed(hProfile, icSigGrayTRCTag);   // Y
 
+		if (GrayTRC == NULL)
+			return NULL;
+
                 Shapes[0] = cmsDupGamma(GrayTRC);
                 Shapes[1] = cmsDupGamma(GrayTRC);
                 Shapes[2] = cmsDupGamma(GrayTRC);