Fixed reading out of bounds (https://bugs.chromium.org/p/oss-fuzz/issues/detail?id...

diff --git a/coders/psd.c b/coders/psd.c
index dde93c7cd6d53bfb10df9f14a01f5ce7ad701e94..1dcac026d9301a5e897dcc6917014a6927dff962 100644 (file)
--- a/coders/psd.c
+++ b/coders/psd.c
@@ -829,7 +829,7 @@ static StringInfo *ParseImageResourceBlocks(Image *image,
       }
       case 0x0421:
       {
-        if ((count > 3) && (*(p+4) == 0))
+        if ((count > 4) && (*(p+4) == 0))
           *has_merged_image=MagickFalse;
         p+=count;
         break;