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.
CVE-2022-41861
Score 6.5 from GitHub Security Advisory published 2023-01-17. NVD baseline CVSS 6.5; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EG Risk
- 30(Track)EG Risk 30/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity65% × 45%Exploitation1% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 64%
- KEV
- Not listed
Published
January 17, 2023
Last Modified
November 3, 2025
References (5)
- secalert@redhathttps://freeradius.org/security/
- secalert@redhathttps://github.com/FreeRADIUS/freeradius-server/commit/0ec2b39d260e
- af854a3a-2127-422b-91ae-364da2661108https://freeradius.org/security/
- af854a3a-2127-422b-91ae-364da2661108https://github.com/FreeRADIUS/freeradius-server/commit/0ec2b39d260e
- af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/06/msg00030.html
Patch Availability(3)
| 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.
Affected Packages
(7 across 7 ecosystems)
Alpine:v3.15(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| freeradius | — | 3.0.26-r0 | — |
Alpine:v3.16(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| freeradius | — | 3.0.26-r0 | — |
Debian:10(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| freeradius | 3.0.17+dfsg-1.1, 3.0.17+dfsg-1.1+deb10u1 | 3.0.17+dfsg-1.1+deb10u2 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| freeradius | 3.0.21+dfsg-2.2, 3.0.21+dfsg-2.2+deb11u1, 3.0.21+dfsg-2.2+deb11u1~bpo10+1 | 3.0.21+dfsg-2.2+deb11u2 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| freeradius | — | 3.2.0+dfsg-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| freeradius | — | 3.2.0+dfsg-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| freeradius | — | 3.2.0+dfsg-1 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(4)
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.
- Microsoft MSRCCVE-2022-418612023-01-25
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.
- Red HatRHSA-2023:2166MODERATE2022-04-22
RHSA-2023:2166 — Moderate
- Red HatRHSA-2023:2870MODERATE2022-04-22
RHSA-2023:2870 — Moderate
- UbuntuUSN-5785-1MEDIUM
FreeRADIUS vulnerabilities
Data Freshness Timeline
(refreshed 8× in last 7d / 33× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 155 total refreshes for this CVE.
- 2026-09-08 21:57 UTCEPSS rescore
- 2026-09-07 15:58 UTCEPSS rescore
- 2026-09-06 13:45 UTCEPSS rescore
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- 2026-09-04 17:59 UTCOSV refresh
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- 2026-08-18 13:45 UTCEPSS rescore
- 2026-08-18 05:22 UTCOSV refresh
- 2026-08-17 13:44 UTCEPSS rescore
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- 2026-08-16 14:53 UTCEPSS rescore
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- 2026-07-23 02:14 UTCEG score recompute
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Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
- CVE-2001-0825EG 10.0HIGH
- CVE-2001-0554EG 10.0EPSS p98HIGH
- CVE-2001-0414EG 10.0EPSS p100HIGH
- CVE-2001-0191EG 10.0EPSS p92HIGH
- CVE-2001-0301EG 10.0EPSS p91HIGH
- CVE-2001-0197EG 10.0EPSS p96HIGH
- CVE-2001-0233EG 10.0EPSS p96HIGH
- CVE-2001-0010EG 10.0EPSS p98HIGH
- CVE-2001-0011EG 10.0EPSS p94HIGH
- CVE-2001-0013EG 10.0EPSS p96HIGH
Same CWE
10 shownCWE-20
- CVE-2004-1019EG 10.0EPSS p94HIGH
- CVE-2004-0840EG 10.0EPSS p98HIGH
- CVE-2003-1425EG 10.0EPSS p96HIGH
- CVE-2003-1487EG 10.0EPSS p94HIGH
- CVE-2002-1874EG 10.0HIGH
- CVE-2002-2236EG 10.0EPSS p91HIGH
- CVE-2002-2365EG 10.0HIGH
- CVE-2002-1358EG 10.0EPSS p93HIGH
- CVE-2002-1359EG 10.0EPSS p100HIGH
- CVE-2002-1360EG 10.0EPSS p93HIGH
Frequently asked(5)
What is CVE-2022-41861?
When was CVE-2022-41861 disclosed?
Is CVE-2022-41861 actively exploited?
What is the CVSS score of CVE-2022-41861?
How do I remediate CVE-2022-41861?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-41861
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