[RHSA-2022:6834-01] Important: expat security update

Thu Oct 6 14:56:41 UTC 2022

An update for expat is now available for Red Hat Enterprise Linux 7.

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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

Expat is a C library for parsing XML documents.

Security Fix(es):

* expat: a use-after-free in the doContent function in xmlparse.c
(CVE-2022-40674)

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/):

2130769 - CVE-2022-40674 expat: a use-after-free in the doContent function in xmlparse.c

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
expat-2.1.0-15.el7_9.src.rpm

x86_64:
expat-2.1.0-15.el7_9.i686.rpm
expat-2.1.0-15.el7_9.x86_64.rpm
expat-debuginfo-2.1.0-15.el7_9.i686.rpm
expat-debuginfo-2.1.0-15.el7_9.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
expat-debuginfo-2.1.0-15.el7_9.i686.rpm
expat-debuginfo-2.1.0-15.el7_9.x86_64.rpm
expat-devel-2.1.0-15.el7_9.i686.rpm
expat-devel-2.1.0-15.el7_9.x86_64.rpm
expat-static-2.1.0-15.el7_9.i686.rpm
expat-static-2.1.0-15.el7_9.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
expat-2.1.0-15.el7_9.src.rpm

x86_64:
expat-2.1.0-15.el7_9.i686.rpm
expat-2.1.0-15.el7_9.x86_64.rpm
expat-debuginfo-2.1.0-15.el7_9.i686.rpm
expat-debuginfo-2.1.0-15.el7_9.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
expat-debuginfo-2.1.0-15.el7_9.i686.rpm
expat-debuginfo-2.1.0-15.el7_9.x86_64.rpm
expat-devel-2.1.0-15.el7_9.i686.rpm
expat-devel-2.1.0-15.el7_9.x86_64.rpm
expat-static-2.1.0-15.el7_9.i686.rpm
expat-static-2.1.0-15.el7_9.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
expat-2.1.0-15.el7_9.src.rpm

ppc64:
expat-2.1.0-15.el7_9.ppc.rpm
expat-2.1.0-15.el7_9.ppc64.rpm
expat-debuginfo-2.1.0-15.el7_9.ppc.rpm
expat-debuginfo-2.1.0-15.el7_9.ppc64.rpm
expat-devel-2.1.0-15.el7_9.ppc.rpm
expat-devel-2.1.0-15.el7_9.ppc64.rpm

ppc64le:
expat-2.1.0-15.el7_9.ppc64le.rpm
expat-debuginfo-2.1.0-15.el7_9.ppc64le.rpm
expat-devel-2.1.0-15.el7_9.ppc64le.rpm

s390x:
expat-2.1.0-15.el7_9.s390.rpm
expat-2.1.0-15.el7_9.s390x.rpm
expat-debuginfo-2.1.0-15.el7_9.s390.rpm
expat-debuginfo-2.1.0-15.el7_9.s390x.rpm
expat-devel-2.1.0-15.el7_9.s390.rpm
expat-devel-2.1.0-15.el7_9.s390x.rpm

x86_64:
expat-2.1.0-15.el7_9.i686.rpm
expat-2.1.0-15.el7_9.x86_64.rpm
expat-debuginfo-2.1.0-15.el7_9.i686.rpm
expat-debuginfo-2.1.0-15.el7_9.x86_64.rpm
expat-devel-2.1.0-15.el7_9.i686.rpm
expat-devel-2.1.0-15.el7_9.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
expat-debuginfo-2.1.0-15.el7_9.ppc.rpm
expat-debuginfo-2.1.0-15.el7_9.ppc64.rpm
expat-static-2.1.0-15.el7_9.ppc.rpm
expat-static-2.1.0-15.el7_9.ppc64.rpm

ppc64le:
expat-debuginfo-2.1.0-15.el7_9.ppc64le.rpm
expat-static-2.1.0-15.el7_9.ppc64le.rpm

s390x:
expat-debuginfo-2.1.0-15.el7_9.s390.rpm
expat-debuginfo-2.1.0-15.el7_9.s390x.rpm
expat-static-2.1.0-15.el7_9.s390.rpm
expat-static-2.1.0-15.el7_9.s390x.rpm

x86_64:
expat-debuginfo-2.1.0-15.el7_9.i686.rpm
expat-debuginfo-2.1.0-15.el7_9.x86_64.rpm
expat-static-2.1.0-15.el7_9.i686.rpm
expat-static-2.1.0-15.el7_9.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
expat-2.1.0-15.el7_9.src.rpm

x86_64:
expat-2.1.0-15.el7_9.i686.rpm
expat-2.1.0-15.el7_9.x86_64.rpm
expat-debuginfo-2.1.0-15.el7_9.i686.rpm
expat-debuginfo-2.1.0-15.el7_9.x86_64.rpm
expat-devel-2.1.0-15.el7_9.i686.rpm
expat-devel-2.1.0-15.el7_9.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
expat-debuginfo-2.1.0-15.el7_9.i686.rpm
expat-debuginfo-2.1.0-15.el7_9.x86_64.rpm
expat-static-2.1.0-15.el7_9.i686.rpm
expat-static-2.1.0-15.el7_9.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-2022-40674
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2022 Red Hat, Inc.
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