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             AUSCERT External Security Bulletin Redistribution

                        ESB-2007.0225 -- [OpenBSD]
                         OpenBSD patches for X.Org
                               5 April 2007


        AusCERT Security Bulletin Summary

Product:              X.Org
Publisher:            OpenBSD
Operating System:     OpenBSD
Impact:               Increased Privileges
Access:               Existing Account
CVE Names:            CVE-2007-1667 CVE-2007-1352 CVE-2007-1351

Ref:                  ESB-2007.0218

Original Bulletin:    http://www.openbsd.org/errata40.html#011_xorg

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Multiple vulnerabilities have been discovered in X.Org:

- - XC-MISC CVE-2007-1003

  XC-MISC Extension ProcXCMiscGetXIDList Memory Corruption

This vulnerability was discovered by Sean Larsson, iDefense Labs.

- - bdf CVE-2007-1351

   BDFFont Parsing Integer Overflow Vulnerability

The discoverer of this vulnerability wishes to remain anonymous.

- - fontdir CVE-2007-1352

fonts.dir File Parsing Integer Overflow Vulnerability

The discoverer of this vulnerability wishes to remain anonymous.

- - libX11 CVE-2007-1667

Multiple integer overflows in the XGetPixel() and XInitImage functions
in ImUtil.c

These vulnerabilities have been fixed in the OpenBSD CVS repository 
in the -current and -stable branches.  The -current snapshots of X11
contain these fixes as well.

It is recommended that users of X11 on OpenBSD update their X11
installation using cvs or manually apply the source code patches listed

A source code patch for OpenBSD 4.0-stable can be downloaded from

A source code patch for OpenBSD 3.9-stable can be downloaded from

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