CVE-2016-1232: Debian Linux

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

The mod_dialback module in Prosody before 0.9.9 does not properly generate random values for the secret token for server-to-server dialback authentication, which makes it easier for attackers to spoof servers via a brute force attack.

Affected products

  • Debian Debian Linux: version 7.0 only; version 8.0 only
  • Fedoraproject Fedora: version 22 only; version 23 only
  • Prosody Prosody: up to and including 0.9.8; version 0.9.0 only; version 0.9.1 only; version 0.9.2 only; version 0.9.3 only; version 0.9.4 only; …

Published 2016-01-12. Last modified 2026-06-17.