-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

====================================================================                   Red Hat Security Advisory

Synopsis:          Important: expat security update
Advisory ID:       RHSA-2022:1012-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:1012
Issue date:        2022-03-22
CVE Names:         CVE-2022-25235 CVE-2022-25236 CVE-2022-25315 
====================================================================
1. Summary:

An update for expat is now available for Red Hat Enterprise Linux 8.4
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux BaseOS EUS (v.8.4) - aarch64, ppc64le, s390x, x86_64

3. Description:

Expat is a C library for parsing XML documents.

Security Fix(es):

* expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code
execution (CVE-2022-25235)

* expat: Namespace-separator characters in "xmlns[:prefix]" attribute
values can lead to arbitrary code execution (CVE-2022-25236)

* expat: Integer overflow in storeRawNames() (CVE-2022-25315)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the updated packages, applications using the Expat library
must be restarted for the update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

2056363 - CVE-2022-25315 expat: Integer overflow in storeRawNames()
2056366 - CVE-2022-25235 expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution
2056370 - CVE-2022-25236 expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution

6. Package List:

Red Hat Enterprise Linux BaseOS EUS (v.8.4):

Source:
expat-2.2.5-4.el8_4.2.src.rpm

aarch64:
expat-2.2.5-4.el8_4.2.aarch64.rpm
expat-debuginfo-2.2.5-4.el8_4.2.aarch64.rpm
expat-debugsource-2.2.5-4.el8_4.2.aarch64.rpm
expat-devel-2.2.5-4.el8_4.2.aarch64.rpm

ppc64le:
expat-2.2.5-4.el8_4.2.ppc64le.rpm
expat-debuginfo-2.2.5-4.el8_4.2.ppc64le.rpm
expat-debugsource-2.2.5-4.el8_4.2.ppc64le.rpm
expat-devel-2.2.5-4.el8_4.2.ppc64le.rpm

s390x:
expat-2.2.5-4.el8_4.2.s390x.rpm
expat-debuginfo-2.2.5-4.el8_4.2.s390x.rpm
expat-debugsource-2.2.5-4.el8_4.2.s390x.rpm
expat-devel-2.2.5-4.el8_4.2.s390x.rpm

x86_64:
expat-2.2.5-4.el8_4.2.i686.rpm
expat-2.2.5-4.el8_4.2.x86_64.rpm
expat-debuginfo-2.2.5-4.el8_4.2.i686.rpm
expat-debuginfo-2.2.5-4.el8_4.2.x86_64.rpm
expat-debugsource-2.2.5-4.el8_4.2.i686.rpm
expat-debugsource-2.2.5-4.el8_4.2.x86_64.rpm
expat-devel-2.2.5-4.el8_4.2.i686.rpm
expat-devel-2.2.5-4.el8_4.2.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2022-25235
https://access.redhat.com/security/cve/CVE-2022-25236
https://access.redhat.com/security/cve/CVE-2022-25315
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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O8Ca
-----END PGP SIGNATURE-----
--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce