expat 2.4.7-1ubuntu0.8: expat 2.4.7-1ubuntu0.8 for Ubuntu 22.04.1 LTS (jammy)

expat 2.4.7-1ubuntu0.8, released June 21, 2026, fixes 9 CVEs in expat. None of them is reported as exploited. Patch Radar priority: Routine.

Routine

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

6.9

Base score, 0 to 10

Highest EPSS

0.0024

15th percentile

Priority of the 9 CVEs

Patch now 0
                                Urgent 0
                                High 0
                                Routine 9

Fixed package versions

Product	Release	Fixed in
expat	Ubuntu 22.04.1 LTS (jammy)	2.4.7-1ubuntu0.8

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Routine	CVE-2026-32777	libexpat before 2.7.5 allows an infinite loop while parsing DTD content.	5.5	0.0024	None reported
Routine	CVE-2026-56412	libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219.	5.9	0.0019	None reported
Routine	CVE-2026-32778	libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory condition.	5.5	0.0019	None reported
Routine	CVE-2026-32776	libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.	5.5	0.0019	None reported
Routine	CVE-2026-50219	libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_GetBuffer, XML_Parse, XML_ParseBuffer, XML_ParserFree, or XML_ParserReset from within handlers in cases of a policy violation. Thus, a use-after-free can occur,	6.9	0.0019	None reported
Routine	CVE-2026-56403	libexpat before 2.8.2 has an integer overflow in storeAtts.	6.9	0.0018	None reported
Routine	CVE-2026-56404	libexpat before 2.8.2 has an integer overflow in addBinding.	6.9	0.0015	None reported
Routine	CVE-2026-56405	libexpat before 2.8.2 has an integer overflow in getAttributeId.	6.9	0.0014	None reported
Routine	CVE-2026-56408	expat: libexpat before 2.8.2 has an integer overflow in copyString.	6.9	0.0014	None reported

Also fixes CVE-2026-32777

SUSE-SU-2026:4623-1
expat on sles 15.6
SUSE-SU-2026:4736-1
MozillaThunderbird on sles 15.7
OPENSUSE-SU-2026:22139-1
MozillaFirefox on opensuse-leap 16.0
SUSE-SU-2026:24260-1
MozillaFirefox on sles 16.0
SUSE-SU-2026:4834-1
MozillaFirefox on sles 15.6, sles 15.7
SUSE-SU-2026:4619-1
expat on sles 15.7
expat 2.6.1-2ubuntu0.5
expat on Ubuntu 24.04.5 LTS (noble)
libexpat1 2.6.1-2ubuntu0.5
libexpat1 on Ubuntu 24.04.5 LTS (noble)

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-jammy-expat-2.4.7-1ubuntu0.8">expat 2.4.7-1ubuntu0.8 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.