Description
Unknown vulnerability in MySQL 3.23.58 and earlier, when a local user has privileges for a database whose name includes a "_" (underscore), grants privileges to other databases that have similar names, which can allow the user to conduct unauthorized activities.
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 3.0 | mysql | 3.23.49-8.11 | DSA-707-1 |
Advisories 1
- DSA-707-1 mysql - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- mysql-underscore-gain-priv(17783) vdb-entry
- CLA-2005:947 vendor-advisory
- RHSA-2004:611 vendor-advisory
- DSA-707 vendor-advisory
- MDKSA-2005:070 vendor-advisory
- USN-32-1 vendor-advisory
- RHSA-2004:597 vendor-advisory
- P-018 third-party-advisory government-resource