diff options
-rw-r--r-- | cursor/xcursor.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/cursor/xcursor.c b/cursor/xcursor.c index ca41c4a..689c702 100644 --- a/cursor/xcursor.c +++ b/cursor/xcursor.c @@ -202,6 +202,11 @@ XcursorImageCreate (int width, int height) { XcursorImage *image; + if (width < 0 || height < 0) + return NULL; + if (width > XCURSOR_IMAGE_MAX_SIZE || height > XCURSOR_IMAGE_MAX_SIZE) + return NULL; + image = malloc (sizeof (XcursorImage) + width * height * sizeof (XcursorPixel)); if (!image) @@ -482,7 +487,8 @@ _XcursorReadImage (XcursorFile *file, if (!_XcursorReadUInt (file, &head.delay)) return NULL; /* sanity check data */ - if (head.width >= 0x10000 || head.height > 0x10000) + if (head.width > XCURSOR_IMAGE_MAX_SIZE || + head.height > XCURSOR_IMAGE_MAX_SIZE) return NULL; if (head.width == 0 || head.height == 0) return NULL; |