Fedora 34: FEDORA-2021-e8b7e177a4 moderate: libxml2 attack fix

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.

Update to 2.9.12 * Fix CVE-2021-3541 * Verify sources with GPG signature

* Wed May 19 2021 David King - 2.9.12-2

- Fix python-lxml regression with 2.9.12

* Thu May 13 2021 David King - 2.9.12-1

- Update to 2.9.12 (#1960153)

[ 1 ] Bug #1960153 - CVE-2021-3541 libxml2: Exponential entity expansion attack bypasses all existing protection mechanisms [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=1960153

su -c 'dnf upgrade --advisory FEDORA-2021-e8b7e177a4' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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/security/

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