CVE-2012-5614 Denial of service in n/a
Authenticated users can crash the MySQL server by sending a crafted SELECT command with deeply nested XML elements.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-5614?
CVE-2012-5614 is a medium-severity denial of service vulnerability in Mariadb Mariadb, published on 3 Dec 2012. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Oracle MySQL 5.1.67 and earlier and 5.5.29 and earlier, and MariaDB 5.5.28a and possibly other versions, allows remote authenticated users to cause a denial of service (mysqld crash) via a SELECT command with an UpdateXML command containing XML with a large number of unique, nested elements.
Which versions are affected by CVE-2012-5614?
It affects 7 products.
Products include Mariadb Mariadb, Oracle Mysql, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus and 1 more.
How do I fix CVE-2012-5614?
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-2012-5614 being exploited?
There is no known exploitation of CVE-2012-5614 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Mariadb Mariadb
- CVE-2026-49261 MariaDB server has unsafe parameter handling in `wsrep_notify_cmd`
- CVE-2026-85746 MariaDB: Out-of-bound buffer write on in `ST_AsText` of nested GeometryCollections
- CVE-2026-85748 MariaDB: Use-after-free with a large number of SYS_REFCURSOR's
- CVE-2026-92262 MariaDB: Numerous issues caused by historical #mysql50# tablename encoding bypass.
- CVE-2023-26785 Code injection in n/a
Sources
Also known as GHSA-g68p-rgrw-xp3p.