1 files changed, 2 insertions, 0 deletions
diff --git a/src/WrFFrI.c b/src/WrFFrI.c
index 41b4c0d..5ef5814 100644
--- a/src/WrFFrI.c
+++ b/src/WrFFrI.c
@@ -248,6 +248,8 @@ WritePixels(file, width, height, cpp, pixels, colors)
     unsigned int x, y, h;
 
     h = height - 1;
+    if (cpp != 0 && width >= (SIZE_MAX - 3)/cpp) 
+	return XpmNoMemory;    
     p = buf = (char *) XpmMalloc(width * cpp + 3);
     if (!buf)
 	return (XpmNoMemory);