CVE-2008-3963: MySQL

Medium severity, CVSS 4.0. EPSS: 6.5% chance of exploitation in the next 30 days.

MySQL 5.0 before 5.0.66, 5.1 before 5.1.26, and 6.0 before 6.0.6 does not properly handle a b'' (b single-quote single-quote) token, aka an empty bit-string literal, which allows remote attackers to cause a denial of service (daemon crash) by using this token in a SQL statement.

Affected products

• MySQL MySQL: version 5.0.0 only; version 5.0.1 only; version 5.0.2 only; version 5.0.3 only; version 5.0.4 only; version 5.0.5 only; …
• Oracle MySQL: version 5.0.0 only; version 5.0.6 only; version 5.0.23 only; version 5.0.25 only; version 5.0.26 only; version 5.0.30 only; …

Published 2008-09-11. Last modified 2026-06-16.