Description
In freeradius, when an EAP-SIM supplicant sends an unknown SIM option, the server will try to look that option up in the internal dictionaries. This lookup will fail, but the SIM code will not check for that failure. Instead, it will dereference a NULL pointer, and cause the server to crash.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | freeradius | All versions from 0.9.3 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 20
- 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
- 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