RHSA-2026:99158: Important: nginx:1.24 security update

Published Nov 11, 2026
·
Updated

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: heap-based buffer overflow in ngxhttpcoremodule via alias with rewrite referencing $requestfilename (CVE-2026-15176) nginx: NGINX ngxhttpcoremodule vulnerability (CVE-2026-97205) 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

66 affected componentsFixes available
redhat/nginx<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-all-modules<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-filesystem<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-core<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-core-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-debugsource<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-devel<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-image-filter<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-image-filter-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-perl<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-perl-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-xslt-filter<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-xslt-filter-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-mail<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-mail-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-stream<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-stream-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-core<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-core-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-debugsource<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-devel<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-image-filter<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-image-filter-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-perl<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-perl-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-xslt-filter<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-xslt-filter-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-mail<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-mail-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-stream<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-stream-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-core<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-core-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-debugsource<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-devel<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-image-filter<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-image-filter-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-perl<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-perl-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-xslt-filter<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-http-xslt-filter-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-mail<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-mail-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-stream<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx-mod-stream-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6
1.24.0-7.module+el9.8.0+25264+0c16c726.6
redhat/nginx<1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
redhat/nginx-core<1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
redhat/nginx-core-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
redhat/nginx-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
redhat/nginx-debugsource<1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
redhat/nginx-mod-devel<1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
redhat/nginx-mod-http-image-filter<1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
redhat/nginx-mod-http-image-filter-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
redhat/nginx-mod-http-perl<1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
redhat/nginx-mod-http-perl-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
redhat/nginx-mod-http-xslt-filter<1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
redhat/nginx-mod-http-xslt-filter-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
redhat/nginx-mod-mail<1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
redhat/nginx-mod-mail-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
redhat/nginx-mod-stream<1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
redhat/nginx-mod-stream-debuginfo<1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
1.24.0-7.module+el9.8.0+25264+0c16c726.6.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+25264+0c16c726.6
  2. Upgrade

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

    Fixed in 1.24.0-7.module+el9.8.0+25264+0c16c726.6
  3. Upgrade

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

    Fixed in 1.24.0-7.module+el9.8.0+25264+0c16c726.6
  4. Upgrade

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

    Fixed in 1.24.0-7.module+el9.8.0+25264+0c16c726.6
  5. Upgrade

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

    Fixed in 1.24.0-7.module+el9.8.0+25264+0c16c726.6
  6. Upgrade

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

    Fixed in 1.24.0-7.module+el9.8.0+25264+0c16c726.6
  7. Upgrade

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

    Fixed in 1.24.0-7.module+el9.8.0+25264+0c16c726.6
  8. Upgrade

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

    Fixed in 1.24.0-7.module+el9.8.0+25264+0c16c726.6
  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+25264+0c16c726.6
  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+25264+0c16c726.6
  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+25264+0c16c726.6
  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+25264+0c16c726.6
  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+25264+0c16c726.6
  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+25264+0c16c726.6
  15. Upgrade

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

    Fixed in 1.24.0-7.module+el9.8.0+25264+0c16c726.6
  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+25264+0c16c726.6
  17. Upgrade

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

    Fixed in 1.24.0-7.module+el9.8.0+25264+0c16c726.6
  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+25264+0c16c726.6
  19. Upgrade

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

    Fixed in 1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
  20. Upgrade

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

    Fixed in 1.24.0-7.module+el9.8.0+25264+0c16c726.6.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+25264+0c16c726.6.aa
  22. Upgrade

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

    Fixed in 1.24.0-7.module+el9.8.0+25264+0c16c726.6.aa
  23. Upgrade

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

    Fixed in 1.24.0-7.module+el9.8.0+25264+0c16c726.6.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+25264+0c16c726.6.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+25264+0c16c726.6.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+25264+0c16c726.6.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+25264+0c16c726.6.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+25264+0c16c726.6.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+25264+0c16c726.6.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+25264+0c16c726.6.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+25264+0c16c726.6.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+25264+0c16c726.6.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+25264+0c16c726.6.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+25264+0c16c726.6.aa

Event History

Nov 11, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software

Frequently Asked Questions

1

Which installed packages are in scope for this update?

The advisory lists redhat/nginx, redhat/nginx-core, their debuginfo and debugsource packages, nginx-mod-devel, and the nginx-mod-http-image-filter module and its debuginfo package.

2

What configuration pattern is specifically associated with the buffer overflow?

CVE-2026-15176 is described as a heap-based buffer overflow in ngx_http_core_module involving an alias directive used with a rewrite that references $request_filename.

3

Are both listed issues classified as buffer overflows?

The advisory identifies CVE-2026-15176 as a heap-based buffer overflow. It provides no technical impact or vulnerability-type details for CVE-2026-97205 beyond identifying ngx_http_core_module.

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