RHSA-2026:93467 — Security Advisory

An update for nginx is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.

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.

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.