diff options
| -rw-r--r-- | nx-X11/programs/Xserver/dix/dispatch.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/nx-X11/programs/Xserver/dix/dispatch.c b/nx-X11/programs/Xserver/dix/dispatch.c index 6941456de..5ad2f5af2 100644 --- a/nx-X11/programs/Xserver/dix/dispatch.c +++ b/nx-X11/programs/Xserver/dix/dispatch.c @@ -2071,7 +2071,9 @@ 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; |