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Fedora 33: FEDORA-2020-935f62c3d9 Critical: Libxml2 Buffer Overflow

fedora
Calendar Grey November 13, 2020
Dist Fedora Esm H88
A patch addressing the buffer overflow vulnerability in libxml2 related to CVE-2020-24977 has been released for Fedora 33. Learn more about the importance of this essential update.
Add correct fix for CVE-2020-24977 (RHBZ#1877788), thanks: Jan de Groot.

Summary

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.

Add correct fix for CVE-2020-24977 (RHBZ#1877788), thanks: Jan de Groot.

* Wed Nov 11 2020 Richard W.M. Jones - 2.9.10-8

- Add correct fix for CVE-2020-24977 (RHBZ#1877788), thanks: Jan de Groot.

[ 1 ] Bug #1877788 - CVE-2020-24977 libxml2: Buffer Overflow vulnerability in xmlEncodeEntitiesInternal at libxml2/entities.c

https://bugzilla.redhat.com/show_bug.cgi?id=1877788

su -c 'dnf upgrade --advisory FEDORA-2020-935f62c3d9' 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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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
High
Critical

Product: Fedora 33
Version: 2.9.10
Release: 8.fc33
Summary: Library providing XML and HTML support

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