CVE-2008-4956: Firewallbuilder Fwbuilder

Medium severity, CVSS 6.9. EPSS: 0.4% chance of exploitation in the next 30 days.

fwb_install in fwbuilder 2.1.19 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/ssh-agent.##### temporary file.

Affected products

• Firewallbuilder Fwbuilder: version 2.1.19 only

Published 2008-11-05. Last modified 2026-06-16.