CVE-2012-1703 Denial of service in n/a
Remote authenticated users can cause a denial of service in MySQL Server via unknown vectors related to the Server Optimizer.
- 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-2012-1703?
CVE-2012-1703 is a medium-severity denial of service vulnerability in Mariadb Mariadb, published on 3 May 2012. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Unspecified vulnerability in the MySQL Server component in Oracle MySQL 5.1.61 and earlier, and 5.5.21 and earlier, allows remote authenticated users to affect availability via unknown vectors related to Server Optimizer, a different vulnerability than CVE-2012-1690.
Which versions are affected by CVE-2012-1703?
It affects 7 products.
Products include Mariadb Mariadb, Oracle Mysql, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Eus and 1 more.
How do I fix CVE-2012-1703?
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-2012-1703 being exploited?
There is no known exploitation of CVE-2012-1703 in the wild and no public exploit code.
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-6xhq-pwm3-5877.