libxmltok1 1.2-4ubuntu0.18.04.1~esm4: libxmltok1 1.2-4ubuntu0.18.04.1~esm4 for Ubuntu 18.04.6 LTS (bionic)

libxmltok1 1.2-4ubuntu0.18.04.1~esm4, released January 10, 2022, fixes 12 CVEs in libxmltok1. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

HighUnsupported product

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.1832

97th percentile

Priority of the 12 CVEs

Patch now 0
                                Urgent 0
                                High 11
                                Routine 1

Fixed package versions

Product	Release	Fixed in
libxmltok1	Ubuntu 18.04.6 LTS (bionic)	1.2-4ubuntu0.18.04.1~esm4

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2016-0718	Python 3.5 and 1 other: Expat allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary…	9.8	0.1326	None reported
High	CVE-2016-4472	Python 3.5 and 1 other: The overflow protection in Expat is removed by compilers with certain optimization settings, which allows…	8.1	0.1195	None reported
High	CVE-2018-20843	expat: In libexpat in Expat before 2.2.7, XML input including XML names thatcontain a large number of colons could make the...	7.5	0.0711	None reported
High	CVE-2019-15903	Python 3.6 and 2 others: Out-of-bounds Read	7.5	0.0664	None reported
High	CVE-2022-22822	xul-ext-lightning: addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.	9.8	0.0548	None reported
High	CVE-2021-46143	expat: In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integeroverflow exists for m_groupSize.	9.8	0.0447	None reported
High	CVE-2022-22823	thunderbird-mozsymbols: build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.	9.8	0.0387	None reported
High	CVE-2022-22824	expat: defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.	9.8	0.0387	None reported
High	CVE-2022-22826	libxmltok1: nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.	9.8	0.0318	None reported
High	CVE-2022-22827	thunderbird-gnome-support: storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.	9.8	0.0318	None reported
High	CVE-2022-22825	libxmltok1: lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.	9.8	0.0299	None reported
Routine	CVE-2015-1283	Python 3.5: Multiple integer overflows in the XML_GetBuffer function in Expat through 2.1.0, as used in Google Chrome…	6.8	0.1832	None reported

Also fixes CVE-2016-0718

SUSE-SU-2026:4623-1
expat on sles 15.6
Python 3.5 3.5.4
Python 3.5
Python 3.6 3.6.2
Python 3.6
libxmltok1 1.2-4ubuntu0.20.04.1~esm4
libxmltok1 on Ubuntu 20.04 LTS (focal)
libxmltok1 1.2-4ubuntu0.22.04.1~esm4
libxmltok1 on Ubuntu 22.04.1 LTS (jammy)
libxmltok1t64 1.2-4.1ubuntu2.24.0.4.1+esm2
libxmltok1t64 on Ubuntu 24.04.5 LTS (noble)
libxmltok1t64 1.2-4.1ubuntu3.1
libxmltok1t64 on Ubuntu 24.10 (oracular)
expat 2.1.1-1ubuntu1
expat on Ubuntu 25.04 (plucky)

For tools and AI agents

This page as data: JSON · Markdown

Link to this page

If this page saved you time, a link to it in your ticket, advisory or write-up helps others find it.

HTML

<a href="https://patchblox.com/security/fix/linux/ubuntu-bionic-libxmltok1-1.2-4ubuntu0.18.04.1-esm4">libxmltok1 1.2-4ubuntu0.18.04.1~esm4 on Patchblox Patch Radar</a>

Reusing the data? How to credit Patch Radar.

Which servers are still behind?

Patchblox compares the installed package on every Linux machine against the fixed version for its release, including machines reported through Azure Update Manager.

Get a demo

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.