RLSA-2026:36618

Synopsis

Important: nginx:1.24 security, bug fix, and enhancement update

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

Bug Fix(es) and Enhancement(s):

* nginx:1.24/nginx: "HTTP/2 bomb" nginx fix breaks module ABI causing crashes [rhel-9.8.z] (JIRA:Rocky Linux-191773)

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 products

Rocky Linux 9 aarch64 Rocky Linux 9 ppc64le Rocky Linux 9 s390x Rocky Linux 9 x86_64

Fixes

2489866

CVEs

CVE-2026-42055

Affected packages

Rocky Linux 9 aarch64 - AppStream

nginx-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.aarch64.rpm nginx-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.aarch64.rpm nginx-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.src.rpm nginx-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.src.rpm nginx-all-modules-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.noarch.rpm nginx-all-modules-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.noarch.rpm nginx-core-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.aarch64.rpm nginx-core-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.aarch64.rpm nginx-core-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.aarch64.rpm nginx-core-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.aarch64.rpm nginx-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.aarch64.rpm nginx-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.aarch64.rpm nginx-debugsource-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.aarch64.rpm nginx-debugsource-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.aarch64.rpm nginx-filesystem-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.noarch.rpm nginx-filesystem-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.noarch.rpm nginx-mod-devel-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.aarch64.rpm nginx-mod-devel-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.aarch64.rpm nginx-mod-http-image-filter-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.aarch64.rpm nginx-mod-http-image-filter-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.aarch64.rpm nginx-mod-http-image-filter-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.aarch64.rpm nginx-mod-http-image-filter-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.aarch64.rpm nginx-mod-http-perl-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.aarch64.rpm nginx-mod-http-perl-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.aarch64.rpm nginx-mod-http-perl-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.aarch64.rpm nginx-mod-http-perl-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.aarch64.rpm nginx-mod-http-xslt-filter-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.aarch64.rpm nginx-mod-http-xslt-filter-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.aarch64.rpm nginx-mod-http-xslt-filter-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.aarch64.rpm nginx-mod-http-xslt-filter-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.aarch64.rpm nginx-mod-mail-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.aarch64.rpm nginx-mod-mail-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.aarch64.rpm nginx-mod-mail-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.aarch64.rpm nginx-mod-mail-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.aarch64.rpm nginx-mod-stream-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.aarch64.rpm nginx-mod-stream-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.aarch64.rpm nginx-mod-stream-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.aarch64.rpm nginx-mod-stream-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.aarch64.rpm

Rocky Linux 9 ppc64le - AppStream

nginx-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.ppc64le.rpm nginx-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.ppc64le.rpm nginx-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.src.rpm nginx-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.src.rpm nginx-all-modules-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.noarch.rpm nginx-all-modules-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.noarch.rpm nginx-core-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.ppc64le.rpm nginx-core-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.ppc64le.rpm nginx-core-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.ppc64le.rpm nginx-core-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.ppc64le.rpm nginx-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.ppc64le.rpm nginx-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.ppc64le.rpm nginx-debugsource-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.ppc64le.rpm nginx-debugsource-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.ppc64le.rpm nginx-filesystem-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.noarch.rpm nginx-filesystem-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.noarch.rpm nginx-mod-devel-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.ppc64le.rpm nginx-mod-devel-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.ppc64le.rpm nginx-mod-http-image-filter-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.ppc64le.rpm nginx-mod-http-image-filter-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.ppc64le.rpm nginx-mod-http-image-filter-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.ppc64le.rpm nginx-mod-http-image-filter-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.ppc64le.rpm nginx-mod-http-perl-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.ppc64le.rpm nginx-mod-http-perl-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.ppc64le.rpm nginx-mod-http-perl-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.ppc64le.rpm nginx-mod-http-perl-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.ppc64le.rpm nginx-mod-http-xslt-filter-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.ppc64le.rpm nginx-mod-http-xslt-filter-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.ppc64le.rpm nginx-mod-http-xslt-filter-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.ppc64le.rpm nginx-mod-http-xslt-filter-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.ppc64le.rpm nginx-mod-mail-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.ppc64le.rpm nginx-mod-mail-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.ppc64le.rpm nginx-mod-mail-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.ppc64le.rpm nginx-mod-mail-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.ppc64le.rpm nginx-mod-stream-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.ppc64le.rpm nginx-mod-stream-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.ppc64le.rpm nginx-mod-stream-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.ppc64le.rpm nginx-mod-stream-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.ppc64le.rpm

Rocky Linux 9 s390x - AppStream

nginx-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.s390x.rpm nginx-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.s390x.rpm nginx-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.src.rpm nginx-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.src.rpm nginx-all-modules-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.noarch.rpm nginx-all-modules-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.noarch.rpm nginx-core-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.s390x.rpm nginx-core-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.s390x.rpm nginx-core-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.s390x.rpm nginx-core-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.s390x.rpm nginx-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.s390x.rpm nginx-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.s390x.rpm nginx-debugsource-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.s390x.rpm nginx-debugsource-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.s390x.rpm nginx-filesystem-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.noarch.rpm nginx-filesystem-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.noarch.rpm nginx-mod-devel-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.s390x.rpm nginx-mod-devel-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.s390x.rpm nginx-mod-http-image-filter-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.s390x.rpm nginx-mod-http-image-filter-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.s390x.rpm nginx-mod-http-image-filter-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.s390x.rpm nginx-mod-http-image-filter-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.s390x.rpm nginx-mod-http-perl-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.s390x.rpm nginx-mod-http-perl-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.s390x.rpm nginx-mod-http-perl-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.s390x.rpm nginx-mod-http-perl-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.s390x.rpm nginx-mod-http-xslt-filter-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.s390x.rpm nginx-mod-http-xslt-filter-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.s390x.rpm nginx-mod-http-xslt-filter-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.s390x.rpm nginx-mod-http-xslt-filter-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.s390x.rpm nginx-mod-mail-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.s390x.rpm nginx-mod-mail-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.s390x.rpm nginx-mod-mail-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.s390x.rpm nginx-mod-mail-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.s390x.rpm nginx-mod-stream-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.s390x.rpm nginx-mod-stream-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.s390x.rpm nginx-mod-stream-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.s390x.rpm nginx-mod-stream-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.s390x.rpm

Rocky Linux 9 x86_64 - AppStream

nginx-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.src.rpm nginx-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.src.rpm nginx-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.x86_64.rpm nginx-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.x86_64.rpm nginx-all-modules-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.noarch.rpm nginx-all-modules-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.noarch.rpm nginx-core-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.x86_64.rpm nginx-core-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.x86_64.rpm nginx-core-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.x86_64.rpm nginx-core-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.x86_64.rpm nginx-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.x86_64.rpm nginx-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.x86_64.rpm nginx-debugsource-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.x86_64.rpm nginx-debugsource-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.x86_64.rpm nginx-filesystem-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.noarch.rpm nginx-filesystem-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.noarch.rpm nginx-mod-devel-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.x86_64.rpm nginx-mod-devel-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.x86_64.rpm nginx-mod-http-image-filter-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.x86_64.rpm nginx-mod-http-image-filter-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.x86_64.rpm nginx-mod-http-image-filter-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.x86_64.rpm nginx-mod-http-image-filter-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.x86_64.rpm nginx-mod-http-perl-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.x86_64.rpm nginx-mod-http-perl-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.x86_64.rpm nginx-mod-http-perl-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.x86_64.rpm nginx-mod-http-perl-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.x86_64.rpm nginx-mod-http-xslt-filter-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.x86_64.rpm nginx-mod-http-xslt-filter-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.x86_64.rpm nginx-mod-http-xslt-filter-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.x86_64.rpm nginx-mod-http-xslt-filter-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.x86_64.rpm nginx-mod-mail-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.x86_64.rpm nginx-mod-mail-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.x86_64.rpm nginx-mod-mail-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.x86_64.rpm nginx-mod-mail-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.x86_64.rpm nginx-mod-stream-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.x86_64.rpm nginx-mod-stream-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.x86_64.rpm nginx-mod-stream-debuginfo-1:1.24.0-7.module+el9.8.0+40193+7b2d11e4.1.rocky.0.1.x86_64.rpm nginx-mod-stream-debuginfo-1:1.24.0-7.module+el9.8.0+40218+76099d32.2.rocky.0.1.x86_64.rpm