CVE-2009-3111

mediumpriority · track · 34EPSS 0.112 · 96 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

11.2% (96th) EPSS

CVSS 5 · medium

Is it mine?

59 products

Check your exposure

Who says so?

3 sources

enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-27

The rad_decode function in FreeRADIUS before 1.1.8 allows remote attackers to cause a denial of service (radiusd crash) via zero-length Tunnel-Password attributes, as demonstrated by a certain module in VulnDisco Pack Professional 7.6 through 8.11. NOTE: this is a regression error related to CVE-2003-0967.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedfreeradius-0:1.1.3-1.5.el5_4.i386 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-0:1.1.3-1.5.el5_4.i386 as a component of Red Hat Enterprise Linux Desktop Workstation (v. 5 client)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-0:1.1.3-1.5.el5_4.ia64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-0:1.1.3-1.5.el5_4.ppc as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-0:1.1.3-1.5.el5_4.s390x as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-0:1.1.3-1.5.el5_4.src as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-0:1.1.3-1.5.el5_4.src as a component of Red Hat Enterprise Linux Desktop Workstation (v. 5 client)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-0:1.1.3-1.5.el5_4.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-0:1.1.3-1.5.el5_4.x86_64 as a component of Red Hat Enterprise Linux Desktop Workstation (v. 5 client)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-debuginfo-0:1.1.3-1.5.el5_4.i386 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-debuginfo-0:1.1.3-1.5.el5_4.i386 as a component of Red Hat Enterprise Linux Desktop Workstation (v. 5 client)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-debuginfo-0:1.1.3-1.5.el5_4.ia64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-debuginfo-0:1.1.3-1.5.el5_4.ppc as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-debuginfo-0:1.1.3-1.5.el5_4.s390x as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-debuginfo-0:1.1.3-1.5.el5_4.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-debuginfo-0:1.1.3-1.5.el5_4.x86_64 as a component of Red Hat Enterprise Linux Desktop Workstation (v. 5 client)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-mysql-0:1.1.3-1.5.el5_4.i386 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-mysql-0:1.1.3-1.5.el5_4.i386 as a component of Red Hat Enterprise Linux Desktop Workstation (v. 5 client)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-mysql-0:1.1.3-1.5.el5_4.ia64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-mysql-0:1.1.3-1.5.el5_4.ppc as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-mysql-0:1.1.3-1.5.el5_4.s390x as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-mysql-0:1.1.3-1.5.el5_4.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-mysql-0:1.1.3-1.5.el5_4.x86_64 as a component of Red Hat Enterprise Linux Desktop Workstation (v. 5 client)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-postgresql-0:1.1.3-1.5.el5_4.i386 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-postgresql-0:1.1.3-1.5.el5_4.i386 as a component of Red Hat Enterprise Linux Desktop Workstation (v. 5 client)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-postgresql-0:1.1.3-1.5.el5_4.ia64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-postgresql-0:1.1.3-1.5.el5_4.ppc as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-postgresql-0:1.1.3-1.5.el5_4.s390x as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-postgresql-0:1.1.3-1.5.el5_4.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-postgresql-0:1.1.3-1.5.el5_4.x86_64 as a component of Red Hat Enterprise Linux Desktop Workstation (v. 5 client)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-unixODBC-0:1.1.3-1.5.el5_4.i386 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-unixODBC-0:1.1.3-1.5.el5_4.i386 as a component of Red Hat Enterprise Linux Desktop Workstation (v. 5 client)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-unixODBC-0:1.1.3-1.5.el5_4.ia64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-unixODBC-0:1.1.3-1.5.el5_4.ppc as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-unixODBC-0:1.1.3-1.5.el5_4.s390x as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-unixODBC-0:1.1.3-1.5.el5_4.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451
Fixedfreeradius-unixODBC-0:1.1.3-1.5.el5_4.x86_64 as a component of Red Hat Enterprise Linux Desktop Workstation (v. 5 client)redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1451

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.04.5mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:POCsecondary · CVSS-BT (t0sche)

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Psecondary · Red Hat Product Security US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USLLM-inferredCWE-400USLLM-inferred

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-9642FreeRadius < 1.1.8 - Zero-Length Tunnel-Password Denial of Servicefunctional · exploit_db

affected products (59)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
freeradius freeradius≤ 1.1.7nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 0.2nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 0.3nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 0.4nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 0.5nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 0.8nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 0.8.1nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 0.9nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 0.9.1nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 0.9.2nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 0.9.3nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 1.0.0nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 1.0.1nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 1.0.2nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 1.0.3nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 1.0.4nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 1.0.5nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 1.1.0nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
freeradius freeradius= 1.1.3nvdUScpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*

showing 20 of 59

advisories (1)

Vendor and ecosystem advisories describing this.

RHSA-2009:1451Red Hat Security Advisory: freeradius security update2009-09-17csaf · redhat_csafUS
Updated freeradius packages that fix a security issue are now available for Red Hat Enterprise Linux 5. This update has been rated as having moderate security impact by the Red Hat Security Response Team.

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd redhat_csaf NVD CVE.org MITRE

published 2009-09-09modified 2026-06-16

references (26)

External citations — patches, advisories, analysis.

scry

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