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Category:   Application (Generic)  >   X Vendors:   X.org
(OpenBSD Issues Fix) X11 libx11 Integer Overflow Lets Remote Users Deny Service
SecurityTracker Alert ID:  1017878
SecurityTracker URL:  http://securitytracker.com/id/1017878
CVE Reference:   CVE-2007-1667   (Links to External Site)
Date:  Apr 5 2007
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 1.0.3
Description:   A vulnerability was reported in libx11. A remote user can cause denial of service conditions.

A remote user can create a specially crafted image that, when processed by the target application, will trigger an integer overflow in XGetPixel() and cause the target application to crash.

This was reported in a Debian bug report.

Impact:   A remote user can cause denial of service conditions.
Solution:   OpenBSD has issued the following patches.

ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/021_xorg.patch
ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.0/common/011_xorg.patch

Vendor URL:  www.x.org/ (Links to External Site)
Cause:   Access control error
Underlying OS:  UNIX (OpenBSD)
Underlying OS Comments:  3.9, 4.0

Message History:   This archive entry is a follow-up to the message listed below.
Apr 4 2007 X11 libx11 Integer Overflow Lets Remote Users Deny Service



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