diff options
| author | Matthieu Herrb <matthieu@cvs.openbsd.org> | 2007-05-02 09:56:37 +0000 |
|---|---|---|
| committer | Matthieu Herrb <matthieu@cvs.openbsd.org> | 2007-05-02 09:56:37 +0000 |
| commit | 15fda84a78bca9dfce3e9c07531379967f84f9c8 (patch) | |
| tree | 844df9f18ee25aba758caeb5b056ed982624a82d /xserver/render | |
| parent | eb80540671500ea514a22533b208b4dd01deeb43 (diff) | |
Fix for a divide by zero that can be triggered by a malicious client.
Problem reported by Derek Abdine of rapid7.com, patch by Keith Packard.
Diffstat (limited to 'xserver/render')
| -rw-r--r-- | xserver/render/renderedge.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/xserver/render/renderedge.c b/xserver/render/renderedge.c index 699e25254..226878860 100644 --- a/xserver/render/renderedge.c +++ b/xserver/render/renderedge.c @@ -1,5 +1,5 @@ /* - * $Id: renderedge.c,v 1.1 2006/11/26 18:16:21 matthieu Exp $ + * $Id: renderedge.c,v 1.2 2007/05/02 09:56:36 matthieu Exp $ * * Copyright © 2004 Keith Packard * @@ -143,6 +143,7 @@ RenderEdgeInit (RenderEdge *e, dx = x_bot - x_top; dy = y_bot - y_top; e->dy = dy; + e->dx = 0; if (dy) { if (dx >= 0) |