Varnish Cache 6.0.18¶

Varnish Cache 6.0.18 is a security fix of the Varnish Cache related to VSV00019 Vinyl Cache / Varnish Cache HTTP/2 parsing deficiency. All users should, as soon as possible, upgrade to a secure version, either 6.0.18, 8.0.2 or Vinyl cache 9.0.1.

More information:

Changelog entry can be found under the Varnish-Cache 6.0.18 (2026-05-18) section in changes.rst.
List of most important Changes in 6.0
Help on Upgrading to Varnish 6.0

For installation instructions including information about cloud images see the Varnish Installation Manual