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.
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Score 6.5 from GitHub Security Advisory published 2023-01-17. NVD baseline CVSS 6.5; sources differ by 0.0.
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.
January 17, 2023
November 3, 2025
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | freeradius-krb5 (2.2.8+dfsg-0.1ubuntu0.1+esm1) @ xenial | 2026-05-25 | ubuntu |
| redhat | freeradius:3.0-8080020221214103624.89170a74 | 2023-05-16 | redhat |
| redhat | freeradius-0:3.0.21-37.el9 | 2023-05-09 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
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.
RHSA-2023:2166 — Moderate
RHSA-2023:2870 — Moderate
FreeRADIUS vulnerabilities
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msrc · redhat
CWE-20 · CWE-400