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OpenAdvisories
High ALSA-2024:1691 1 CVE

Important: varnish security update

Published Apr 8, 2024 · Updated Oct 29, 2026

Summary

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):

* varnish: HTTP/2 Broken Window Attack may result in denial of service (CVE-2024-30156)

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.

Fixed packages 3

ReleasePackageFixed in
AlmaLinux · 9 varnish 6.6.2-4.el9_3.1
AlmaLinux · 9 varnish-devel 6.6.2-4.el9_3.1
AlmaLinux · 9 varnish-docs 6.6.2-4.el9_3.1

Vulnerabilities 1

References

  • report
    https://access.redhat.com/security/cve/CVE-2024-30156
  • report
    https://bugzilla.redhat.com/2271486
  • advisory
    https://errata.almalinux.org/9/ALSA-2024-1691.html