RHSA-2025:8550: Important: varnish security update
Important: varnish security update
Other sources
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.<br>Security Fix(es):<br><li> varnish: request smuggling attacks (CVE-2025-47905)</li> 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.
— Red Hat
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2025:8550?
RHSA-2025:8550 is classified as an important security update for Varnish Cache.
What does RHSA-2025:8550 address?
RHSA-2025:8550 addresses security vulnerabilities in Varnish Cache that could potentially allow for exploitation.
How do I fix RHSA-2025:8550?
You can fix RHSA-2025:8550 by upgrading to Varnish version 7.6.1-2.el10_0.1 or later.
Which systems are impacted by RHSA-2025:8550?
RHSA-2025:8550 affects multiple versions of Red Hat Enterprise Linux across different architectures.
Is there a recommended package for RHSA-2025:8550?
The recommended packages to resolve RHSA-2025:8550 are varnish, varnish-docs, and varnish-devel at version 7.6.1-2.el10_0.1.