Description
An FR-GV-304 issue in FreeRADIUS 3.x before 3.0.15 allows "DHCP - Buffer over-read in fr_dhcp_decode_suboptions()" and a denial of service.
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 | 3.0.15+dfsg-1 | — |
| Debian 13 | freeradius | 3.0.15+dfsg-1 | — |
| Debian 12 | freeradius | 3.0.15+dfsg-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | freeradius +11 | 3.0.13-8.el7_4 | RHSA-2017:2389 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | freeradius-server | 3.0.15-2.3.1 | SUSE-SU-2017:2202-1 |
| SLES 12 SP2 | freeradius-server | 3.0.3-17.9.1 | SUSE-SU-2017:2243-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | freeradius-server | 3.0.15-2.3.1 | SUSE-SU-2017:2202-1 |
| SLES for SAP 12 SP2 | freeradius-server | 3.0.3-17.9.1 | SUSE-SU-2017:2243-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | freeradius-server | 3.0.23-1.5 | openSUSE-SU-2024:10767-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | freeradius +11 | 3.0.13-8.el7_4 | ELSA-2017-2389 |
Advisories 5
- RHSA-2017:2389 Red Hat Security Advisory: freeradius security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- openSUSE-SU-2024:10767-1 freeradius-server-3.0.23-1.5 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2243-1 Security update for freeradius-server SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2202-1 Security update for freeradius-server SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2017-2389 Important: freeradius security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 9, 2017
References
- 99970 vdb-entry
- DSA-3930 vendor-advisory
- RHSA-2017:2389 vendor-advisory
- http://freeradius.org/security/fuzzer-2017.html