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

Synopsis:          Moderate: haproxy security update
Advisory ID:       RHSA-2023:1978-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:1978
Issue date:        2023-04-25
CVE Names:         CVE-2023-0056 CVE-2023-25725
====================================================================
1. Summary:

An update for haproxy is now available for Red Hat Enterprise Linux 9.0
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 AppStream EUS (v.9.0) - aarch64, ppc64le, s390x, x86_64

3. Description:

The haproxy packages provide a reliable, high-performance network load
balancer for TCP and HTTP-based applications.

Security Fix(es):

* haproxy: segfault DoS (CVE-2023-0056)

* haproxy: request smuggling attack in HTTP/1 header parsing
(CVE-2023-25725)

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

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

2160808 - CVE-2023-0056 haproxy: segfault DoS
2169089 - CVE-2023-25725 haproxy: request smuggling attack in HTTP/1 header parsing

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v.9.0):

Source:
haproxy-2.4.7-2.el9_0.2.src.rpm

aarch64:
haproxy-2.4.7-2.el9_0.2.aarch64.rpm
haproxy-debuginfo-2.4.7-2.el9_0.2.aarch64.rpm
haproxy-debugsource-2.4.7-2.el9_0.2.aarch64.rpm

ppc64le:
haproxy-2.4.7-2.el9_0.2.ppc64le.rpm
haproxy-debuginfo-2.4.7-2.el9_0.2.ppc64le.rpm
haproxy-debugsource-2.4.7-2.el9_0.2.ppc64le.rpm

s390x:
haproxy-2.4.7-2.el9_0.2.s390x.rpm
haproxy-debuginfo-2.4.7-2.el9_0.2.s390x.rpm
haproxy-debugsource-2.4.7-2.el9_0.2.s390x.rpm

x86_64:
haproxy-2.4.7-2.el9_0.2.x86_64.rpm
haproxy-debuginfo-2.4.7-2.el9_0.2.x86_64.rpm
haproxy-debugsource-2.4.7-2.el9_0.2.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-2023-0056
https://access.redhat.com/security/cve/CVE-2023-25725
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2023 Red Hat, Inc.
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