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Fedora Update Notification
FEDORA-2019-18868e1715
2019-07-10 00:51:11.941556
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Name : expat
Product : Fedora 30
Version : 2.2.7
Release : 1.fc30
URL : https://libexpat.github.io/
Summary : An XML parser library
Description :
This is expat, the C library for parsing XML, written by James Clark. Expat
is a stream oriented XML parser. This means that you register handlers with
the parser prior to starting the parse. These handlers are called when the
parser discovers the associated structures in the document being parsed. A
start tag is an example of the kind of structures for which you may
register handlers.

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Update Information:

This update includes a fix for a security vulnerability, CVE_2018-20843: > Fix
extraction of namespace prefixes from XML names; XML names with multiple colons
could end up in the wrong namespace, and take a high amount of RAM and CPU
resources while processing, opening the door to use for denial-of-service
attacks For more information on the changes in 2.2.7, see the upstream release
notes at: https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes#L5
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ChangeLog:

* Thu Jun 27 2019 Joe Orton <jorton@redhat.com> – 2.2.7-1
– update to 2.2.7 (#1723724, #1722224)
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References:

[ 1 ] Bug #1723724 – CVE-2018-20843 expat: large number of colons in input makes parser consume high amount of resources, leading to DoS [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=1723724
[ 2 ] Bug #1722224 – expat-2.2.7 is available
https://bugzilla.redhat.com/show_bug.cgi?id=1722224
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This update can be installed with the “dnf” update program. Use
su -c ‘dnf upgrade –advisory FEDORA-2019-18868e1715’ at the command
line. For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

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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