Issued:
2023-10-18
Updated:
2023-10-18

RHSA-2023:5841 - Important: httpd24-nghttp2 security update

Synopsis

Important: httpd24-nghttp2 security update

Type/Severity

Security Advisory Important

Topic

[Updated 20 October 2023] We have rectified an erroneous typographical error in this erratum documentation. The documentation present in this erratum has incorrect package name mentioned that was misleading. No changes have been made to the package.

An update for httpd24-nghttp2 is now available for Red Hat Software Collections.

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

httpd24-nghttp2 is a library implementing the Hypertext Transfer Protocol version 2 (HTTP/2) protocol in C.

Security Fix(es):

  • HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the updated packages, the httpd daemon will be restarted automatically.

Affected Products

ProductVersionArch
Red Hat Software Collections (for RHEL Workstation)1x86_64
Red Hat Software Collections (for RHEL Server)1x86_64
Red Hat Software Collections (for RHEL Server for System Z)1s390x
Red Hat Software Collections (for RHEL Server for IBM Power LE)1ppc64le

Updated Packages

  • httpd24-libnghttp2-1.7.1-11.el7.x86_64.rpm
  • httpd24-nghttp2-1.7.1-11.el7.s390x.rpm
  • httpd24-nghttp2-1.7.1-11.el7.src.rpm
  • httpd24-libnghttp2-1.7.1-11.el7.s390x.rpm
  • httpd24-nghttp2-1.7.1-11.el7.x86_64.rpm
  • httpd24-libnghttp2-devel-1.7.1-11.el7.x86_64.rpm
  • httpd24-nghttp2-debuginfo-1.7.1-11.el7.ppc64le.rpm
  • httpd24-nghttp2-debuginfo-1.7.1-11.el7.x86_64.rpm
  • httpd24-nghttp2-debuginfo-1.7.1-11.el7.s390x.rpm
  • httpd24-libnghttp2-devel-1.7.1-11.el7.ppc64le.rpm
  • httpd24-libnghttp2-devel-1.7.1-11.el7.s390x.rpm
  • httpd24-libnghttp2-1.7.1-11.el7.ppc64le.rpm
  • httpd24-nghttp2-1.7.1-11.el7.ppc64le.rpm

Fixes

CVEs

References

Additional information