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-rw-r--r--src/AllCells.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/AllCells.c b/src/AllCells.c
index ddd9c22e..6e97e118 100644
--- a/src/AllCells.c
+++ b/src/AllCells.c
@@ -53,8 +53,13 @@ Status XAllocColorCells(
status = _XReply(dpy, (xReply *)&rep, 0, xFalse);
if (status) {
- _XRead32 (dpy, (long *) pixels, 4L * (long) (rep.nPixels));
- _XRead32 (dpy, (long *) masks, 4L * (long) (rep.nMasks));
+ if ((rep.nPixels > ncolors) || (rep.nMasks > nplanes)) {
+ _XEatDataWords(dpy, rep.length);
+ status = 0; /* Failure */
+ } else {
+ _XRead32 (dpy, (long *) pixels, 4L * (long) (rep.nPixels));
+ _XRead32 (dpy, (long *) masks, 4L * (long) (rep.nMasks));
+ }
}
UnlockDisplay(dpy);