CVE-2016-1232 Weak cryptography in n/a

What is CVE-2016-1232?

CVE-2016-1232 is a high-severity vulnerability in Debian Debian Linux, published on 12 Jan 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Which versions are affected by CVE-2016-1232?

It affects 3 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Prosody Prosody.

How do I fix CVE-2016-1232?

Upgrade to a fixed version.

Is CVE-2016-1232 being exploited?

There is no known exploitation of CVE-2016-1232 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2016-1232, DLA-391-1, GHSA-qwj6-64m3-hwxr, UBUNTU-CVE-2016-1232.