RHSA-2026:17752: Critical: nginx:1.24 security update

Published May 15, 2026
·
Updated

Critical: nginx:1.24 security update

Other sources

nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security Fix(es): nginx: NGINX: Arbitrary Code Execution Vulnerability (CVE-2026-42945) 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.

— Red Hat

Affected Software

79 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
redhat/nginx<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-all-modules<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-filesystem<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-core<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-core-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-debugsource<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-devel<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-image-filter<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-image-filter-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-perl<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-perl-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-xslt-filter<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-xslt-filter-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-mail<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-mail-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-stream<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-stream-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-core<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-core-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-debugsource<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-devel<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-image-filter<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-image-filter-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-perl<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-perl-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-xslt-filter<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-xslt-filter-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-mail<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-mail-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-stream<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-stream-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-core<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-core-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-debugsource<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-devel<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-image-filter<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-image-filter-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-perl<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-perl-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-xslt-filter<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-http-xslt-filter-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-mail<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-mail-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-stream<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx-mod-stream-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3
redhat/nginx<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
redhat/nginx-core<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
redhat/nginx-core-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
redhat/nginx-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
redhat/nginx-debugsource<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
redhat/nginx-mod-devel<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
redhat/nginx-mod-http-image-filter<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
redhat/nginx-mod-http-image-filter-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
redhat/nginx-mod-http-perl<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
redhat/nginx-mod-http-perl-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
redhat/nginx-mod-http-xslt-filter<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
redhat/nginx-mod-http-xslt-filter-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
redhat/nginx-mod-mail<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
redhat/nginx-mod-mail-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
redhat/nginx-mod-stream<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
redhat/nginx-mod-stream-debuginfo<1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa
1.24.0-4.module+el9.6.0+24297+b3b39a7f.3.aa

Remediation

Event History

May 15, 2026
Advisory Published
via Red Hat·09:42 AM
Data Sourced
via Red Hat·09:42 AM
DescriptionSeverityAffected Software
Jun 11, 2026
Advisory Published
via Red Hat·10:39 PM
Data Sourced
via Red Hat·10:39 PM
Remedy
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Frequently Asked Questions

1

What is the severity of RHSA-2026:17752?

RHSA-2026:17752 is classified as a Critical severity vulnerability.

2

How do I fix RHSA-2026:17752?

To fix RHSA-2026:17752, you should update to nginx version 1.24.0-4.module+el9.6.0+24297+b3b39a7f.3 or later.

3

Which versions of nginx are affected by RHSA-2026:17752?

RHSA-2026:17752 affects multiple Red Hat Enterprise Linux versions that include nginx prior to the patched version.

4

What is CVE-2026-42945 related to RHSA-2026:17752?

CVE-2026-42945 refers to the Arbitrary Code Execution Vulnerability in nginx addressed by RHSA-2026:17752.

5

Is there a recommended action for users of nginx impacted by RHSA-2026:17752?

Yes, it is recommended that users of nginx upgrade to the latest version immediately to mitigate the vulnerability.

Company

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