RHSA-2026:93472 — Security Advisory

Red Hat Security Advisory: nginx security update

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Severity

Important

Red Hat Product Security

RHEL 9

Products

Official CSAF product identity

Published · November 2, 2026

Updated · November 2, 2026

Topic

An update for nginx is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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: ngx_http_rewrite_module: code execution and denial of service (CVE-2026-9256)

  • nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers (CVE-2026-42055)

  • nginx: NGINX: Heap buffer over-read allows memory modification or denial of service (CVE-2026-56434)

  • nginx: NGINX: Arbitrary code execution via crafted HTTP requests (CVE-2026-42533)

  • 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.

Related CVEs

RHSA-2026:93472 — Red Hat Security Advisory: nginx security update | PulseLinux