Description
Buffer overflow in the sql_escape_func function in the SQL module for FreeRADIUS 1.0.2 and earlier allows remote attackers to cause a denial of service (crash).
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 14 | freeradius | 1.0.2-4 | — |
| Debian 13 | freeradius | 1.0.2-4 | — |
| Debian 12 | freeradius | 1.0.2-4 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | freeradius +3 | 1.0.1-3.RHEL4 | RHSA-2005:524 |
| RHEL 3 | freeradius | 1.0.1-1.1.RHEL3 | RHSA-2005:524 |
Advisories 1
- RHSA-2005:524 Red Hat Security Advisory: freeradius security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- SUSE-SR:2005:014 vendor-advisory
- oval:org.mitre.oval:def:9579 vdb-entry signature
- 1013909 vdb-entry
- 20050520 ERRATA: [ GLSA 200505-13 ] FreeRADIUS: SQL injection and Denial of Service vulnerability mailing-list
- http://www.freeradius.org/security.html
- GLSA-200505-13 vendor-advisory
- RHSA-2005:524 vendor-advisory
- 13541 vdb-entry
- freeradius-sqlescapefunc-bo(20450) vdb-entry