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Fedora 9 Update: libxml2-2.7.2-2.fc9 Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Fedora Fixes a couple of security issues when overflowing text data size of buffer size.
Fedora Update Notification
2008-11-19 13:18:52

Name        : libxml2
Product     : Fedora 9
Version     : 2.7.2
Release     : 2.fc9
URL         :
Summary     : Library providing XML and HTML support
Description :
This library allows to manipulate XML files. It includes support
to read, modify and write XML and HTML files. There is DTDs support
this includes parsing and validation even with complex DtDs, either
at parse time or later once the document has been modified. The output
can be a simple SAX stream or and in-memory DOM like representations.
In this case one can use the built-in XPath and XPointer implementation
to select subnodes or ranges. A flexible Input/Output mechanism is
available, with existing HTTP and FTP modules and combined to an
URI library.

Update Information:

Fixes a couple of security issues when overflowing text data size of buffer

* Wed Nov 12 2008 Daniel Veillard  - 2.7.2-2.fc9
- two patches for size overflows problems CVE-2008-4225 and CVE-2008-4226
* Tue Oct  7 2008 Daniel Veillard  2.7.2-1.fc9
- new release 2.7.2
- Fixes the known problems in 2.7.1
- increase the set of options when saving documents
* Thu Oct  2 2008 Daniel Veillard  2.7.1-2.fc9
- fix a nasty bug in 2.7.x,
* Mon Sep  1 2008 Daniel Veillard  2.7.1-1.fc9
- upstream release of 2.7.1
- fix python serialization which was broken in 2.7.0
- upstream release of 2.7.0
- switch to XML 1.0 5th edition
- switch to RFC 3986 for URI parsing
- better entity handling
- option to remove hardcoded limitations in the parser
- more testing
- a new API to allocate entity nodes
- and lot of fixes and cleanups
* Mon Aug 25 2008 Daniel Veillard  2.6.32-3.fc9
- fix for entities recursion problem
- Resolve: rhbz#459713
* Thu May 15 2008 Daniel Veillard  2.6.32-2.fc9
- try to fix multiarch problems like #440206

  [ 1 ] Bug #470480 - CVE-2008-4225 libxml2: integer overflow leading to infinite loop in xmlBufferResize
  [ 2 ] Bug #470466 - CVE-2008-4226 libxml2: integer overflow leading to memory corruption in  xmlSAX2Characters

This update can be installed with the "yum" update program.  Use 
su -c 'yum update libxml2' at the command line.
For more information, refer to "Managing Software with yum",
available at

All packages are signed with the Fedora Project GPG key.  More details on the
GPG keys used by the Fedora Project can be found at

Fedora-package-announce mailing list
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