diff --git a/dlls/mscms/profile.c b/dlls/mscms/profile.c
index eb9b4d06871..f0c40877a17 100644
--- a/dlls/mscms/profile.c
+++ b/dlls/mscms/profile.c
@@ -1152,7 +1152,7 @@ BOOL WINAPI IsColorProfileTagPresent( HPROFILE handle, TAGTYPE type, PBOOL prese
         release_profile( profile );
         return FALSE;
     }
-    *present = cmsIsTag( profile->cmsprofile, type );
+    *present = (cmsIsTag( profile->cmsprofile, type ) != 0);
     release_profile( profile );
     ret = TRUE;
 
@@ -1406,7 +1406,11 @@ HPROFILE WINAPI OpenColorProfileW( PPROFILE profile, DWORD access, DWORD sharing
         if (!(data = HeapAlloc( GetProcessHeap(), 0, profile->cbDataSize ))) return NULL;
         memcpy( data, profile->pProfileData, profile->cbDataSize );
 
-        cmsprofile = cmsOpenProfileFromMem( data, profile->cbDataSize );
+        if (!(cmsprofile = cmsOpenProfileFromMem( data, profile->cbDataSize )))
+        {
+            HeapFree( GetProcessHeap(), 0, data );
+            return FALSE;
+        }
         size = profile->cbDataSize;
     }
     else if (profile->dwType == PROFILE_FILENAME)
@@ -1464,7 +1468,12 @@ HPROFILE WINAPI OpenColorProfileW( PPROFILE profile, DWORD access, DWORD sharing
             HeapFree( GetProcessHeap(), 0, data );
             return NULL;
         }
-        cmsprofile = cmsOpenProfileFromMem( data, size );
+        if (!(cmsprofile = cmsOpenProfileFromMem( data, size )))
+        {
+            CloseHandle( handle );
+            HeapFree( GetProcessHeap(), 0, data );
+            return NULL;
+        }
     }
     else
     {
diff --git a/dlls/mscms/transform.c b/dlls/mscms/transform.c
index aed7011ec02..058cffadd6e 100644
--- a/dlls/mscms/transform.c
+++ b/dlls/mscms/transform.c
@@ -175,6 +175,12 @@ HTRANSFORM WINAPI CreateColorTransformW( LPLOGCOLORSPACEW space, HPROFILE dest,
     cmsoutput = dst->cmsprofile;
     transform.cmstransform = cmsCreateProofingTransform(cmsinput, in_format, cmsoutput, out_format, cmstarget,
                                                         intent, INTENT_ABSOLUTE_COLORIMETRIC, proofing);
+    if (!transform.cmstransform)
+    {
+        if (tgt) release_profile( tgt );
+        release_profile( dst );
+        return FALSE;
+    }
 
     ret = create_transform( &transform );
 
@@ -254,9 +260,15 @@ HTRANSFORM WINAPI CreateMultiProfileTransform( PHPROFILE profiles, DWORD nprofil
         {
             cmsprofiles[1] = profile1->cmsprofile;
         }
-        transform.cmstransform = cmsCreateMultiprofileTransform( cmsprofiles, nprofiles, in_format, out_format, *intents, 0 );
-
+        transform.cmstransform = cmsCreateMultiprofileTransform( cmsprofiles, nprofiles, in_format,
+                                                                 out_format, *intents, 0 );
         HeapFree( GetProcessHeap(), 0, cmsprofiles );
+        if (!transform.cmstransform)
+        {
+            release_profile( profile0 );
+            release_profile( profile1 );
+            return FALSE;
+        }
         ret = create_transform( &transform );
     }
 
@@ -327,7 +339,8 @@ BOOL WINAPI TranslateBitmapBits( HTRANSFORM handle, PVOID srcbits, BMFORMAT inpu
            outputstride, callback, data );
 
     if (!transform) return FALSE;
-    cmsChangeBuffersFormat( transform->cmstransform, from_bmformat(input), from_bmformat(output) );
+    if (!cmsChangeBuffersFormat( transform->cmstransform, from_bmformat(input), from_bmformat(output) ))
+        return FALSE;
 
     cmsDoTransform( transform->cmstransform, srcbits, destbits, width * height );
     release_transform( transform );
@@ -368,7 +381,8 @@ BOOL WINAPI TranslateColors( HTRANSFORM handle, PCOLOR in, DWORD count,
     if (!transform) return FALSE;
 
     xfrm = transform->cmstransform;
-    cmsChangeBuffersFormat( xfrm, from_type(input_type), from_type(output_type) );
+    if (!cmsChangeBuffersFormat( xfrm, from_type(input_type), from_type(output_type) ))
+        return FALSE;
 
     switch (input_type)
     {