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-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c b/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c
index 3d9ee8c7f..e5bec8aba 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c
@@ -2618,7 +2618,9 @@ ProcPutImage(register ClientPtr client)
tmpImage = (char *)&stuff[1];
lengthProto = length;
-
+ if (lengthProto >= (INT32_MAX / stuff->height))
+ return BadLength;
+
if (((((lengthProto * stuff->height) + (unsigned)3) >> 2) +
(sizeof(xPutImageReq) >> 2)) != client->req_len)
return BadLength;