Varnish is a web application accelerator.
Multiple vulnerabilities have been discovered in Varnish. Please review the CVE identifiers referenced below for details.
A remote attacker could cause a Denial of Service condition via a specially crafted GET request. Furthermore a local attacker could obtain sensitive information through insecure permissions on logfiles.
There is no known workaround at this time.
All Varnish users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-servers/varnish-3.0.5"