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Fedora 37: Critical libxml2 Integer Overflow and Dict Corruption Issues

fedora
Calendar Grey November 12, 2022
Dist Fedora Esm H88
Enhancement for Fedora 37 libxml2, rectifying urgent security vulnerabilities, specifically integer overflow issues and dictionary corruption.
Update to 2.10.3 * Fix CVE-2022-40303 * Fix CVE-2022-40304

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.

Update to 2.10.3 * Fix CVE-2022-40303 * Fix CVE-2022-40304

* Thu Nov 3 2022 Adam Williamson - 2.10.3-2

- Set build options to maintain (most) symbols from 2.9.14 (#2139546)

* Thu Oct 20 2022 David King - 2.10.3-1

- Update to 2.10.3 (#2119077)

* Tue Aug 30 2022 David King - 2.10.2-1

- Update to 2.10.2 (#2119077)

[ 1 ] Bug #2119077 - libxml2-2.10.2 is available

https://bugzilla.redhat.com/show_bug.cgi?id=2119077

[ 2 ] Bug #2136274 - CVE-2022-40303 libxml2: integer overflows with XML_PARSE_HUGE [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=2136274

[ 3 ] Bug #2136293 - CVE-2022-40304 libxml2: dict corruption caused by entity reference cycles [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=2136293

[ 4 ] Bug #2136800 - openconnect fails due to missing symbol xmlIOFTPRead

https://bugzilla.redhat.com/show_bug.cgi?id=2136800

su -c 'dnf upgrade --advisory FEDORA-2022-a6812b0224' at the command

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

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

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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
High
Critical

Product: Fedora 37
Version: 2.10.3
Release: 2.fc37
URL:
Summary: Library providing XML and HTML support

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