RHSA-2023:1978: Moderate: haproxy security update

Published Apr 25, 2023
·
Updated

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.

Affected Software

12 affected componentsFixes available
redhat/haproxy<2.4.7-2.el9_0.2
2.4.7-2.el9_0.2
redhat/haproxy<2.4.7-2.el9_0.2
2.4.7-2.el9_0.2
redhat/haproxy-debuginfo<2.4.7-2.el9_0.2
2.4.7-2.el9_0.2
redhat/haproxy-debugsource<2.4.7-2.el9_0.2
2.4.7-2.el9_0.2
redhat/haproxy-debuginfo<2.4.7-2.el9_0.2
2.4.7-2.el9_0.2
redhat/haproxy-debugsource<2.4.7-2.el9_0.2
2.4.7-2.el9_0.2
redhat/haproxy<2.4.7-2.el9_0.2
2.4.7-2.el9_0.2
redhat/haproxy-debuginfo<2.4.7-2.el9_0.2
2.4.7-2.el9_0.2
redhat/haproxy-debugsource<2.4.7-2.el9_0.2
2.4.7-2.el9_0.2
redhat/haproxy<2.4.7-2.el9_0.2.aa
2.4.7-2.el9_0.2.aa
redhat/haproxy-debuginfo<2.4.7-2.el9_0.2.aa
2.4.7-2.el9_0.2.aa
redhat/haproxy-debugsource<2.4.7-2.el9_0.2.aa
2.4.7-2.el9_0.2.aa

Remediation

Event History

May 27, 2026
Advisory Published
via Red Hat·08:39 PM
Data Sourced
via Red Hat·08:39 PM
RemedyDescriptionAffected Software

Frequently Asked Questions

1

What security vulnerabilities are addressed in RHSA-2023:1978?

RHSA-2023:1978 addresses a segfault Denial of Service vulnerability (CVE-2023-0056) and a request smuggling attack vulnerability in HTTP/1 header parsing (CVE-2023-25725).

2

What is the severity level of RHSA-2023:1978?

The severity level of RHSA-2023:1978 is classified as moderate.

3

How do I fix RHSA-2023:1978?

To fix RHSA-2023:1978, you should update the haproxy package to version 2.4.7-2.el9_0.2 or a later version.

4

Which versions of haproxy are affected by RHSA-2023:1978?

RHSA-2023:1978 affects haproxy versions prior to 2.4.7-2.el9_0.2.

5

Are there any specific platforms affected by RHSA-2023:1978?

Yes, RHSA-2023:1978 affects the haproxy package on platforms including x86_64 and ppc64le with versions up to 2.4.7-2.el9_0.2.

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