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OpenAdvisories
High RLSA-2026:59496 2 CVEs

Important: nginx:1.26 security update

Published Aug 26, 2026 · Updated Aug 26, 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: Heap buffer over-read allows memory modification or denial of service (CVE-2026-56434)

* nginx: NGINX: Memory disclosure and denial of service in ngx_http_slice_module (CVE-2026-60005)

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 3

ReleasePackageFixed in
Rocky Linux · 9 nginx 2:1.26.3-9.module+el9.8.0+40235+8be1317a.2
Rocky Linux · 9 nginx 2:1.26.3-9.module+el9.8.0+40222+e48d13b6.1
Rocky Linux · 9 nginx 2:1.26.3-9.module+el9.8.0+40194+40adfc1b

Vulnerabilities 2

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2500960
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2500992
  • advisory
    https://access.redhat.com/errata/RHSA-2026:59496