U radu programskog paketa libxslt, za sustav Fedora 16, uočeno je više sigurnosnih nedostataka. Udaljeni ih napadači mogu iskoristiti za otkrivanje osjetljivih informacija i izvođenje napada uskraćivanjem usluge.

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Fedora Update Notification
FEDORA-2012-14048
2012-09-17 16:25:28
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Name        : libxslt
Product     : Fedora 16
Version     : 1.1.26
Release     : 9.fc16
URL         : http://xmlsoft.org/XSLT/
Summary     : Library providing the Gnome XSLT engine
Description :
This C library allows to transform XML files into other XML files
(or HTML, text, ...) using the standard XSLT stylesheet transformation
mechanism. To use it you need to have a version of libxml2 >= 2.6.27
installed. The xsltproc command is a command line interface to the XSLT engine

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Update Information:

Lot of security fixes and a few other bugs
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ChangeLog:

* Wed Sep 12 2012 Daniel Veillard <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 1.1.26-9
- Fixes CVE-2011-1202 CVE-2011-3970 CVE-2012-2825 CVE-2012-2871 CVE-2012-2870
- Fix direct pattern matching bug
- Fix popping of vars in xsltCompilerNodePop
- Fix bug 602515
- Fix generate-id() to not expose object addresses (CVE-2011-1202)
- Fix some case of pattern parsing errors (CVE-2011-3970)
- Fix a bug in selecting XSLT elements (CVE-2012-2825)
- Fix portability to upcoming libxml2-2.9.0
- Fix default template processing on namespace nodes (CVE-2012-2871)
- Cleanup of the pattern compilation code (CVE-2012-2870)
- Hardening of code checking node types in various entry point (CVE-2012-2870)
- Hardening of code checking node types in EXSLT (CVE-2012-2870)
- Fix system-property with unknown namespace
- xsltproc should return an error code if xinclude fails
- Fix a dictionary string usage
- Avoid a heap use after free error
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References:

  [ 1 ] Bug #684386 - CVE-2011-1202 libxslt: Heap address leak in XLST
        https://bugzilla.redhat.com/show_bug.cgi?id=684386
  [ 2 ] Bug #788826 - CVE-2011-3970 libxslt: Out-of-bounds read when parsing
certain patterns
        https://bugzilla.redhat.com/show_bug.cgi?id=788826
  [ 3 ] Bug #835982 - CVE-2012-2825 libxslt: DoS when reading unexpected DTD
nodes in XSLT
        https://bugzilla.redhat.com/show_bug.cgi?id=835982
  [ 4 ] Bug #852935 - CVE-2012-2871 libxslt: Heap-buffer overflow caused by bad
cast in XSL transforms
        https://bugzilla.redhat.com/show_bug.cgi?id=852935
  [ 5 ] Bug #852937 - CVE-2012-2870 libxslt: Use-after-free when processing an
invalid XPath expression
        https://bugzilla.redhat.com/show_bug.cgi?id=852937
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This update can be installed with the "yum" update program.  Use 
su -c 'yum update libxslt' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.

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
https://fedoraproject.org/keys
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