-------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2021-e3ed1ba38b 2021-05-10 01:04:26.835396 --------------------------------------------------------------------------------
Name : libxml2 Product : Fedora 34 Version : 2.9.10 Release : 12.fc34 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.
-------------------------------------------------------------------------------- Update Information:
Fix CVE-2021-3516, CVE-2021-3517, CVE-2021-3518 and CVE-2021-3537 -------------------------------------------------------------------------------- ChangeLog:
* Thu May 6 2021 David King amigadave@amigadave.com - 2.9.10-12 - Fix CVE-2021-3537 (#1956524) * Wed May 5 2021 David King amigadave@amigadave.com - 2.9.10-11 - Fix CVE-2021-3516 (#1954227) - Fix CVE-2021-3517 (#1954234) - Fix CVE-2021-3518 (#1954243) -------------------------------------------------------------------------------- References:
[ 1 ] Bug #1954227 - CVE-2021-3516 libxml2: use-after-free in xmlEncodeEntitiesInternal() in entities.c [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=1954227 [ 2 ] Bug #1954234 - CVE-2021-3517 libxml2: heap-based buffer overflow in xmlEncodeEntitiesInternal() in entities.c [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=1954234 [ 3 ] Bug #1954243 - CVE-2021-3518 libxml2: use-after-free in xmlXIncludeDoProcess() in xinclude.c [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=1954243 [ 4 ] Bug #1956524 - CVE-2021-3537 libxml2: NULL pointer dereference in valid.c in xmlValidBuildAContentModel [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=1956524 --------------------------------------------------------------------------------
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2021-e3ed1ba38b' 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
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