Description
MySQL 5.1.x before 5.1.63 and 5.5.x before 5.5.24 allows remote authenticated users to cause a denial of service (mysqld crash) via vectors related to incorrect calculation and a sort order index.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | mysql-5.1 | 5.1.63-0+squeeze1 | DSA-2496-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | mysql +7 | 5.1.66-1.el6_3 | RHSA-2012:1462 |
| RHEL 5 | mysql +4 | 5.0.95-5.el5_9 | RHSA-2013:0180 |
Advisories 3
- RHSA-2012:1462 Red Hat Security Advisory: mysql security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2496-1 mysql-5.1 - several Debian Security (DSA / DLA) · Mar 9, 2026
- RHSA-2013:0180 Red Hat Security Advisory: mysql security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
References
- RHSA-2012:1462 vendor-advisory
- 53372 third-party-advisory
- RHSA-2013:0180 vendor-advisory
- GLSA-201308-06 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=833737
- 51309 third-party-advisory
- http://dev.mysql.com/doc/refman/5.1/en/news-5-1-63.html
- MDVSA-2013:150 vendor-advisory
- 55120 vdb-entry