CVE-2016-0644 Denial of service in n/a

What is CVE-2016-0644?

CVE-2016-0644 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 21 Apr 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Unspecified vulnerability in Oracle MySQL 5.5.47 and earlier, 5.6.28 and earlier, and 5.7.10 and earlier and MariaDB before 5.5.48, 10.0.x before 10.0.24, and 10.1.x before 10.1.12 allows local users to affect availability via vectors related to DDL.

Which versions are affected by CVE-2016-0644?

It affects 7 products.

Products include Debian Debian Linux, Ibm Powerkvm, Mariadb Mariadb, Opensuse Leap, Oracle Linux, Oracle Mysql and 1 more.

How do I fix CVE-2016-0644?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2016-0644 being exploited?

There is no known exploitation of CVE-2016-0644 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 GHSA-6hr2-fc3m-jf9f, UBUNTU-CVE-2016-0644.