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Sicherheit: Mehrere Probleme in libxml2
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in libxml2
ID: FEDORA-2020-0c71c00af4
Distribution: Fedora
Plattformen: Fedora 30
Datum: Do, 30. April 2020, 07:23
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19956
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20388
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7595
Applikationen: libxml2

Originalnachricht

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Fedora Update Notification
FEDORA-2020-0c71c00af4
2020-04-30 02:50:26.526439
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Name : libxml2
Product : Fedora 30
Version : 2.9.10
Release : 3.fc30
URL : http://xmlsoft.org/
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 sub nodes or ranges. A flexible Input/Output mechanism is
available, with existing HTTP and FTP modules and combined to an
URI library.

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Update Information:

Update to 2.9.10 and fix CVE-2019-19956, CVE-2019-20388 and CVE-2020-7595
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ChangeLog:

* Mon Feb 10 2020 David King <amigadave@amigadave.com> - 2.9.10-3
- Fix CVE-2019-20388 (#1799736)
- Fix CVE-2020-7595 (#1799786)
* Fri Jan 3 2020 Jan Pokorny <jpokorny@fedoraproject.org> - 2.9.10-2
- Fix relaxed approach to nested documents on object disposal (#1780573)
* Fri Nov 8 2019 David King <amigadave@amigadave.com> - 2.9.10-1
- Update to 2.9.10 (#1767151)
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References:

[ 1 ] Bug #1788857 - CVE-2019-19956 libxml2: There's a memory leak in
xmlParseBalancedChunkMemoryRecover in parser.c that could result in a crash [fedora-30]
https://bugzilla.redhat.com/show_bug.cgi?id=1788857
[ 2 ] Bug #1799736 - CVE-2019-20388 libxml2: memory leak in xmlSchemaPreRun
in xmlschemas.c [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=1799736
[ 3 ] Bug #1799787 - CVE-2020-7595 libxml2: infinite loop in a certain
end-of-file situation [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=1799787
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-0c71c00af4' 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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