RLSA-2026:7666

Synopsis

Important: nghttp2 security update

Description

libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 (HTTP/2) protocol in C.

Security Fix(es):

* nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination (CVE-2026-27135)

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 10 aarch64 Rocky Linux 10 ppc64le Rocky Linux 10 s390x Rocky Linux 10 x86_64

Fixes

2448754

CVEs

CVE-2026-27135

Affected packages

Rocky Linux 10 aarch64 - CRB

nghttp2-0:1.64.0-2.el10_1.1.aarch64.rpm

Rocky Linux 10 aarch64 - BaseOS

nghttp2-0:1.64.0-2.el10_1.1.src.rpm libnghttp2-debuginfo-0:1.64.0-2.el10_1.1.aarch64.rpm nghttp2-debugsource-0:1.64.0-2.el10_1.1.aarch64.rpm libnghttp2-0:1.64.0-2.el10_1.1.aarch64.rpm nghttp2-debuginfo-0:1.64.0-2.el10_1.1.aarch64.rpm

Rocky Linux 10 ppc64le - BaseOS

nghttp2-0:1.64.0-2.el10_1.1.src.rpm libnghttp2-0:1.64.0-2.el10_1.1.ppc64le.rpm nghttp2-debugsource-0:1.64.0-2.el10_1.1.ppc64le.rpm nghttp2-debuginfo-0:1.64.0-2.el10_1.1.ppc64le.rpm libnghttp2-debuginfo-0:1.64.0-2.el10_1.1.ppc64le.rpm

Rocky Linux 10 s390x - BaseOS

nghttp2-0:1.64.0-2.el10_1.1.src.rpm nghttp2-debugsource-0:1.64.0-2.el10_1.1.s390x.rpm nghttp2-debuginfo-0:1.64.0-2.el10_1.1.s390x.rpm libnghttp2-debuginfo-0:1.64.0-2.el10_1.1.s390x.rpm libnghttp2-0:1.64.0-2.el10_1.1.s390x.rpm

Rocky Linux 10 x86_64 - BaseOS

nghttp2-0:1.64.0-2.el10_1.1.src.rpm libnghttp2-0:1.64.0-2.el10_1.1.x86_64.rpm nghttp2-debuginfo-0:1.64.0-2.el10_1.1.x86_64.rpm nghttp2-debugsource-0:1.64.0-2.el10_1.1.x86_64.rpm libnghttp2-debuginfo-0:1.64.0-2.el10_1.1.x86_64.rpm

Rocky Linux 10 x86_64 - CRB

nghttp2-0:1.64.0-2.el10_1.1.x86_64.rpm

Rocky Linux 10 s390x - CRB

nghttp2-0:1.64.0-2.el10_1.1.s390x.rpm

Rocky Linux 10 ppc64le - CRB

nghttp2-0:1.64.0-2.el10_1.1.ppc64le.rpm

Rocky Linux 10 x86_64 - AppStream

libnghttp2-devel-0:1.64.0-2.el10_1.1.x86_64.rpm

Rocky Linux 10 s390x - AppStream

libnghttp2-devel-0:1.64.0-2.el10_1.1.s390x.rpm

Rocky Linux 10 aarch64 - AppStream

libnghttp2-devel-0:1.64.0-2.el10_1.1.aarch64.rpm

Rocky Linux 10 ppc64le - AppStream

libnghttp2-devel-0:1.64.0-2.el10_1.1.ppc64le.rpm