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Critical ALSA-2026:19159 1 CVE

Critical: nginx security update

Published May 19, 2026 · Updated Oct 29, 2026

Summary

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.

Fixed packages 10

ReleasePackageFixed in
AlmaLinux · 10 nginx 2:1.26.3-6.el10_2.3
AlmaLinux · 10 nginx-all-modules 2:1.26.3-6.el10_2.3
AlmaLinux · 10 nginx-core 2:1.26.3-6.el10_2.3
AlmaLinux · 10 nginx-filesystem 2:1.26.3-6.el10_2.3
AlmaLinux · 10 nginx-mod-devel 2:1.26.3-6.el10_2.3
AlmaLinux · 10 nginx-mod-http-image-filter 2:1.26.3-6.el10_2.3
AlmaLinux · 10 nginx-mod-http-perl 2:1.26.3-6.el10_2.3
AlmaLinux · 10 nginx-mod-http-xslt-filter 2:1.26.3-6.el10_2.3
AlmaLinux · 10 nginx-mod-mail 2:1.26.3-6.el10_2.3
AlmaLinux · 10 nginx-mod-stream 2:1.26.3-6.el10_2.3

Vulnerabilities 1

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-42945
  • report
    https://bugzilla.redhat.com/2477116
  • advisory
    https://errata.almalinux.org/10/ALSA-2026-19159.html