RHSA-2026:19371: Critical: nginx:1.24 security update

Published May 19, 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

82 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian
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 Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
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 Life Cycle
redhat/nginx<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-all-modules<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-filesystem<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-core<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-core-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-debugsource<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-devel<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-image-filter<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-image-filter-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-perl<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-perl-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-xslt-filter<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-xslt-filter-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-mail<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-mail-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-stream<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-stream-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-core<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-core-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-debugsource<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-devel<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-image-filter<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-image-filter-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-perl<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-perl-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-xslt-filter<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-xslt-filter-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-mail<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-mail-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-stream<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-stream-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-core<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-core-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-debugsource<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-devel<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-image-filter<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-image-filter-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-perl<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-perl-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-xslt-filter<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-http-xslt-filter-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-mail<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-mail-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-stream<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx-mod-stream-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1
1.24.0-7.module+el9.8.0+24289+833e4c02.1
redhat/nginx<1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
redhat/nginx-core<1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
redhat/nginx-core-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
redhat/nginx-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
redhat/nginx-debugsource<1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
redhat/nginx-mod-devel<1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
redhat/nginx-mod-http-image-filter<1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
redhat/nginx-mod-http-image-filter-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
redhat/nginx-mod-http-perl<1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
redhat/nginx-mod-http-perl-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
redhat/nginx-mod-http-xslt-filter<1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
redhat/nginx-mod-http-xslt-filter-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
redhat/nginx-mod-mail<1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
redhat/nginx-mod-mail-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
redhat/nginx-mod-stream<1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
redhat/nginx-mod-stream-debuginfo<1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/nginx to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  2. Upgrade

    Upgrade redhat/nginx-all-modules to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  3. Upgrade

    Upgrade redhat/nginx-filesystem to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  4. Upgrade

    Upgrade redhat/nginx-core to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  5. Upgrade

    Upgrade redhat/nginx-core-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  6. Upgrade

    Upgrade redhat/nginx-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  7. Upgrade

    Upgrade redhat/nginx-debugsource to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  8. Upgrade

    Upgrade redhat/nginx-mod-devel to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  9. Upgrade

    Upgrade redhat/nginx-mod-http-image-filter to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  10. Upgrade

    Upgrade redhat/nginx-mod-http-image-filter-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  11. Upgrade

    Upgrade redhat/nginx-mod-http-perl to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  12. Upgrade

    Upgrade redhat/nginx-mod-http-perl-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  13. Upgrade

    Upgrade redhat/nginx-mod-http-xslt-filter to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  14. Upgrade

    Upgrade redhat/nginx-mod-http-xslt-filter-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  15. Upgrade

    Upgrade redhat/nginx-mod-mail to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  16. Upgrade

    Upgrade redhat/nginx-mod-mail-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  17. Upgrade

    Upgrade redhat/nginx-mod-stream to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  18. Upgrade

    Upgrade redhat/nginx-mod-stream-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1
  19. Upgrade

    Upgrade redhat/nginx to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
  20. Upgrade

    Upgrade redhat/nginx-core to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
  21. Upgrade

    Upgrade redhat/nginx-core-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
  22. Upgrade

    Upgrade redhat/nginx-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
  23. Upgrade

    Upgrade redhat/nginx-debugsource to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
  24. Upgrade

    Upgrade redhat/nginx-mod-devel to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
  25. Upgrade

    Upgrade redhat/nginx-mod-http-image-filter to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
  26. Upgrade

    Upgrade redhat/nginx-mod-http-image-filter-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
  27. Upgrade

    Upgrade redhat/nginx-mod-http-perl to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
  28. Upgrade

    Upgrade redhat/nginx-mod-http-perl-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
  29. Upgrade

    Upgrade redhat/nginx-mod-http-xslt-filter to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
  30. Upgrade

    Upgrade redhat/nginx-mod-http-xslt-filter-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
  31. Upgrade

    Upgrade redhat/nginx-mod-mail to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
  32. Upgrade

    Upgrade redhat/nginx-mod-mail-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
  33. Upgrade

    Upgrade redhat/nginx-mod-stream to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa
  34. Upgrade

    Upgrade redhat/nginx-mod-stream-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.24.0-7.module+el9.8.0+24289+833e4c02.1.aa

Event History

May 19, 2026
Advisory Published
via Red Hat·08:29 PM
Data Sourced
via Red Hat·08:29 PM
DescriptionSeverityAffected Software
Jun 14, 2026
Advisory Published
via Red Hat·10:50 PM
Data Sourced
via Red Hat·10:50 PM
Remedy
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Frequently Asked Questions

1

What is the severity of RHSA-2026:19371?

The severity of RHSA-2026:19371 is critical, with a CVSS score of 9.

2

What vulnerability is addressed in RHSA-2026:19371?

RHSA-2026:19371 addresses an arbitrary code execution vulnerability in nginx identified as CVE-2026-42945.

3

How do I fix RHSA-2026:19371?

To fix RHSA-2026:19371, you should update to the patched version of nginx 1.24.0-7 or higher.

4

What versions of nginx are affected by RHSA-2026:19371?

RHSA-2026:19371 affects certain versions of nginx, specifically those prior to the security update version 1.24.0-7.

5

Is there any risk if I do not address RHSA-2026:19371?

Yes, not addressing RHSA-2026:19371 exposes your server to potential arbitrary code execution attacks.

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