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OpenAdvisories
High ALSA-2025:8336 1 CVE

Important: varnish:6 security update

Published Jun 2, 2025 · 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: request smuggling attacks (CVE-2025-47905)

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 4

ReleasePackageFixed in
AlmaLinux · 8 varnish 6.0.13-1.module_el8.10.0+4003+9759c3c1.1
AlmaLinux · 8 varnish-devel 6.0.13-1.module_el8.10.0+4003+9759c3c1.1
AlmaLinux · 8 varnish-docs 6.0.13-1.module_el8.10.0+4003+9759c3c1.1
AlmaLinux · 8 varnish-modules 0.15.0-6.module_el8.9.0+3826+307eaba4

Vulnerabilities 1

References

  • report
    https://access.redhat.com/security/cve/CVE-2025-47905
  • report
    https://bugzilla.redhat.com/2364235
  • advisory
    https://errata.almalinux.org/8/ALSA-2025-8336.html