Issued:
2023-11-16
Updated:
2023-11-16

RHSA-2023:7334 - Important: rh-varnish6-varnish security update

Synopsis

Important: rh-varnish6-varnish security update

Type/Severity

Security Advisory Important

Topic

An update for rh-varnish6-varnish 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

Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and over again, giving the website a significant speed up.

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

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

  • rh-varnish6-varnish-6.0.8-2.el7.3.s390x.rpm
  • rh-varnish6-varnish-devel-6.0.8-2.el7.3.s390x.rpm
  • rh-varnish6-varnish-6.0.8-2.el7.3.ppc64le.rpm
  • rh-varnish6-varnish-docs-6.0.8-2.el7.3.ppc64le.rpm
  • rh-varnish6-varnish-libs-6.0.8-2.el7.3.s390x.rpm
  • rh-varnish6-varnish-devel-6.0.8-2.el7.3.x86_64.rpm
  • rh-varnish6-varnish-docs-6.0.8-2.el7.3.x86_64.rpm
  • rh-varnish6-varnish-libs-6.0.8-2.el7.3.x86_64.rpm
  • rh-varnish6-varnish-6.0.8-2.el7.3.src.rpm
  • rh-varnish6-varnish-docs-6.0.8-2.el7.3.s390x.rpm
  • rh-varnish6-varnish-6.0.8-2.el7.3.x86_64.rpm
  • rh-varnish6-varnish-devel-6.0.8-2.el7.3.ppc64le.rpm
  • rh-varnish6-varnish-libs-6.0.8-2.el7.3.ppc64le.rpm

Fixes

CVEs

References

Additional information