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Fedora 37: FEDORA-2022-63b4113a8c High: LibXML2 Buffer Overflow

fedora
Calendar Grey October 7, 2022
Dist Fedora Esm H88
In light of Fedora 36's recent changes, this write-up delves into the reworking of the expat library and its potential impacts.
Rebase to 2.4.9

Summary

This is expat, the C library for parsing XML, written by James Clark. Expat

is a stream oriented XML parser. This means that you register handlers with

the parser prior to starting the parse. These handlers are called when the

parser discovers the associated structures in the document being parsed. A

start tag is an example of the kind of structures for which you may

register handlers.

Rebase to 2.4.9

* Thu Sep 29 2022 Tomas Korbar - 2.4.9-1

- Rebase to 2.4.9

* Thu Jul 21 2022 Fedora Release Engineering - 2.4.8-2

- Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild

* Fri Apr 8 2022 Tomas Korbar - 2.4.8-1

- Rebase to version 2.4.8

- Resolves: rhbz#2069454

[ 1 ] Bug #2130780 - CVE-2022-40674 expat: a use-after-free in the doContent function in xmlparse.c [fedora-36]

https://bugzilla.redhat.com/show_bug.cgi?id=2130780

su -c 'dnf upgrade --advisory FEDORA-2022-15ec504440' 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

Product: Fedora 36
Version: 2.4.9
Release: 1.fc36
Summary: An XML parser library

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