Issued at: 2026-06-05
Updated at: 2026-06-05
Synopsis
Moderate: mod_http2 security update
Description
The mod_h2 Apache httpd module implements the HTTP2 protocol (h2+h2c) on top of libnghttp2 for httpd 2.4 servers.
Security Fix(es):
* httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase (CVE-2025-53020)
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
2379343
CVEs
CVE-2025-53020
Affected packages
Rocky Linux 9 x86_64 - AppStream
mod_http2-debugsource-0:2.0.26-6.el9_8.x86_64.rpm
mod_http2-0:2.0.26-6.el9_8.src.rpm
mod_http2-0:2.0.26-6.el9_8.x86_64.rpm
mod_http2-debuginfo-0:2.0.26-6.el9_8.x86_64.rpm
Rocky Linux 9 aarch64 - AppStream
mod_http2-0:2.0.26-6.el9_8.aarch64.rpm
mod_http2-0:2.0.26-6.el9_8.src.rpm
mod_http2-debuginfo-0:2.0.26-6.el9_8.aarch64.rpm
mod_http2-debugsource-0:2.0.26-6.el9_8.aarch64.rpm
Rocky Linux 9 ppc64le - AppStream
mod_http2-0:2.0.26-6.el9_8.ppc64le.rpm
mod_http2-0:2.0.26-6.el9_8.src.rpm
mod_http2-debuginfo-0:2.0.26-6.el9_8.ppc64le.rpm
mod_http2-debugsource-0:2.0.26-6.el9_8.ppc64le.rpm
Rocky Linux 9 s390x - AppStream
mod_http2-0:2.0.26-6.el9_8.s390x.rpm
mod_http2-0:2.0.26-6.el9_8.src.rpm
mod_http2-debuginfo-0:2.0.26-6.el9_8.s390x.rpm
mod_http2-debugsource-0:2.0.26-6.el9_8.s390x.rpm