Description
A flaw was found in freeradius. A malicious RADIUS client or home server can send a malformed abinary attribute which can cause the server to crash.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | freeradius | All versions from 0.0.1 to 3.0.25 | — |
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 | 3.2.0+dfsg-1 | — |
| Debian 13 | freeradius | 3.2.0+dfsg-1 | — |
| Debian 12 | freeradius | 3.2.0+dfsg-1 | — |
| Debian 11 | freeradius | 3.0.21+dfsg-2.2+deb11u2 | DLA-4232-1 |
| Debian 10 | freeradius | 3.0.17+dfsg-1.1+deb10u2 | DLA-3342-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | freeradius | 3.0.26~dfsg~git20220223.1.00ed0241fa-0ubuntu3.1 | USN-5785-1 |
| Ubuntu 20.04 LTS | freeradius | 3.0.20+dfsg-3ubuntu0.2 | USN-5785-1 |
| Ubuntu 18.04 LTS | freeradius | 3.0.16+dfsg-1ubuntu3.2 | USN-5785-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | freeradius | 2.2.8+dfsg-0.1ubuntu0.1+esm1 | USN-5785-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | freeradius +12 | 3.0.21-37.el9 | RHSA-2023:2166 |
| RHEL 8 | freeradius +12 | 3.0.20-14.module+el8.8.0+17558+3f8a93b9 | RHSA-2023:2870 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | freeradius +12 | 3.0.21-37.el9 | ALSA-2023:2166 |
| AlmaLinux 8 | freeradius +12 | 3.0.20-14.module_el8.8.0+3469+c05aea40 | ALSA-2023:2870 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | freeradius | 3.0.20-14.module+el8.8.0+1130+46a6e0a1 | RLSA-2023:2870 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | freeradius-server | 3.0.25-150400.4.4.1 | SUSE-SU-2022:4626-1 |
| SLES 15 SP3 | freeradius-server | 3.0.21-150200.3.12.1 | SUSE-SU-2022:4622-1 |
| SLES 15 SP2 | freeradius-server | 3.0.21-150200.3.12.1 | SUSE-SU-2022:4622-1 |
| SLES 15 SP1 | freeradius-server | 3.0.16-150000.3.13.1 | SUSE-SU-2022:4620-1 |
| SLES 15 | freeradius-server | 3.0.16-150000.3.13.1 | SUSE-SU-2022:4620-1 |
Show 25 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | freeradius-server | 3.0.19-3.12.1 | SUSE-SU-2022:4621-1 |
| SLES 12 SP4 | freeradius-server | 3.0.15-2.23.1 | SUSE-SU-2023:0124-1 |
| SLES 12 SP2 | freeradius-server | 3.0.3-17.18.1 | SUSE-SU-2023:0135-1 |
| SLES for SAP 15 SP3 | freeradius-server | 3.0.21-150200.3.12.1 | SUSE-SU-2022:4622-1 |
| SLES for SAP 15 SP2 | freeradius-server | 3.0.21-150200.3.12.1 | SUSE-SU-2022:4622-1 |
| SLES for SAP 15 SP1 | freeradius-server | 3.0.16-150000.3.13.1 | SUSE-SU-2022:4620-1 |
| SLES for SAP 15 | freeradius-server | 3.0.16-150000.3.13.1 | SUSE-SU-2022:4620-1 |
| SLES for SAP 12 SP5 | freeradius-server | 3.0.19-3.12.1 | SUSE-SU-2022:4621-1 |
| SLES for SAP 12 SP4 | freeradius-server | 3.0.15-2.23.1 | SUSE-SU-2023:0124-1 |
| SLE Real Time 15 SP3 | freeradius-server | 3.0.21-150200.3.12.1 | SUSE-SU-2022:4622-1 |
| SLE HPC 15 SP3 | freeradius-server | 3.0.21-150200.3.12.1 | SUSE-SU-2022:4622-1 |
| SLE HPC 15 SP2 | freeradius-server | 3.0.21-150200.3.12.1 | SUSE-SU-2022:4622-1 |
| SLE HPC 15 SP1 | freeradius-server | 3.0.16-150000.3.13.1 | SUSE-SU-2022:4620-1 |
| SLE HPC 15 | freeradius-server | 3.0.16-150000.3.13.1 | SUSE-SU-2022:4620-1 |
| SUSE OpenStack Cloud Crowbar 9 | freeradius-server | 3.0.15-2.23.1 | SUSE-SU-2023:0124-1 |
| SUSE OpenStack Cloud 9 | freeradius-server | 3.0.15-2.23.1 | SUSE-SU-2023:0124-1 |
| SUSE Manager Server 4.2 | freeradius-server | 3.0.21-150200.3.12.1 | SUSE-SU-2022:4622-1 |
| SUSE Manager Server 4.1 | freeradius-server | 3.0.21-150200.3.12.1 | SUSE-SU-2022:4622-1 |
| SUSE Manager Retail Branch Server 4.2 | freeradius-server | 3.0.21-150200.3.12.1 | SUSE-SU-2022:4622-1 |
| SUSE Manager Retail Branch Server 4.1 | freeradius-server | 3.0.21-150200.3.12.1 | SUSE-SU-2022:4622-1 |
| SUSE Manager Proxy 4.2 | freeradius-server | 3.0.21-150200.3.12.1 | SUSE-SU-2022:4622-1 |
| SUSE Manager Proxy 4.1 | freeradius-server | 3.0.21-150200.3.12.1 | SUSE-SU-2022:4622-1 |
| SUSE Enterprise Storage 7.1 | freeradius-server | 3.0.21-150200.3.12.1 | SUSE-SU-2022:4622-1 |
| SUSE Enterprise Storage 7 | freeradius-server | 3.0.21-150200.3.12.1 | SUSE-SU-2022:4622-1 |
| SUSE Enterprise Storage 6 | freeradius-server | 3.0.16-150000.3.13.1 | SUSE-SU-2022:4620-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | freeradius-server | 3.2.3-2.1 | openSUSE-SU-2024:13386-1 |
| openSUSE Leap 15.4 | freeradius-server | 3.0.25-150400.4.4.1 | SUSE-SU-2022:4626-1 |
| openSUSE Leap 15.3 | freeradius-server | 3.0.21-150200.3.12.1 | SUSE-SU-2022:4622-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.16 | freeradius | 3.0.26-r0 | — |
| Alpine v3.15 | freeradius | 3.0.26-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | freeradius +11 | 3.0.26-1.amzn2.0.1 | ALAS2-2023-1970 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | freeradius | 3.2.3-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | freeradius +12 | 3.0.21-37.el9 | ELSA-2023-2166 |
| Oracle Linux 8 | freeradius +12 | 3.0.20-14.module+el8.8.0+20995+3f8a93b9 | ELSA-2023-2870 |
Advisories 21
- ALSA-2023:2166 Moderate: freeradius security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2023:2870 Moderate: freeradius:3.0 security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2022-2411 FreeRADIUS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 28, 2026
- RHSA-2023:2870 Red Hat Security Advisory: freeradius:3.0 security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2023:2166 Red Hat Security Advisory: freeradius security and bug fix update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RLSA-2023:2870 Moderate: freeradius:3.0 security update Rocky Linux Security Advisories · Jun 26, 2026
- USN-5785-1 freeradius vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DLA-4232-1 freeradius - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3342-1 freeradius - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:4621-1 Security update for freeradius-server SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4620-1 Security update for freeradius-server SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0124-1 Security update for freeradius-server SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13386-1 freeradius-server-3.2.3-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4626-1 Security update for freeradius-server SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4622-1 Security update for freeradius-server SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0135-1 Security update for freeradius-server SUSE / openSUSE Security Updates · Feb 4, 2026
- ICSA-24-046-11 Siemens SCALANCE XCM-/XRM-300 CISA ICS & IT advisories · Feb 13, 2024
- SSA-806742 SSA-806742: Multiple Vulnerabilities in SCALANCE XCM-/XRM-300 before V2.4 Siemens ProductCERT · Feb 13, 2024
- ELSA-2023-2870 Moderate: freeradius:3.0 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 24, 2023
- ELSA-2023-2166 Moderate: freeradius security and bug fix update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · May 15, 2023
- ALAS2-2023-1970 Moderate: freeradius security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Mar 7, 2023