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CVE-2003-0967

rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service ...

5.0 MediumPublic exploitFix available

rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service (crash) via a short RADIUS string attribute with a tag, which causes memcpy to be called with a -1 length argument, as demonstrated using the Tunnel-Password attribute.

Exploit likelihood

4.75%Up 0.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service (crash) via a short RADIUS string attribute with a tag, which causes memcpy to be called with a -1 length argument, as demonstrated using the Tunnel-Password attribute.

Record
CVE-2003-0967
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service (crash) via a short RADIUS string attribute with a tag, which causes memcpy to be called with a -1 length argument, as demonstrated using the Tunnel-Password attribute.

Record
CVE-2003-0967
Updated
2026-11-02
EUVDEUVD-2003-0957 No score

rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service (crash) via a short RADIUS string attribute with a tag, which causes memcpy to be called with a -1 length argument, as demonstrated using the Tunnel-Password attribute.

Record
EUVD-2003-0957
Updated
2026-11-03
GitHub AdvisoriesGHSA-4j6g-2g2g-f47h No score

rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service ...

rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service (crash) via a short RADIUS string attribute with a tag, which causes memcpy to be called with a -1 length argument, as demonstrated using the Tunnel-Password attribute.

Record
GHSA-4j6g-2g2g-f47h
Updated
2026-11-02
OSV No score

rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service (crash) via a short RADIUS string attribute with a tag, which causes memcpy to be called with a -1 length argument, as demonstrated using the Tunnel-Password attribute.

Record
CVE-2003-0967
Updated
2026-11-02
OSVDEBIAN-CVE-2003-0967 No score

rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service (crash) via a short RADIUS string attribute with a tag, which causes memcpy to be called with a -1 length argument, as demonstrated using the Tunnel-Password attribute.

Record
DEBIAN-CVE-2003-0967
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
freeradius
Debian:12
 before 0.9.2-4
0.9.2-4
freeradius
Debian:13
 before 0.9.2-4
0.9.2-4
freeradius
Debian:14
 before 0.9.2-4
0.9.2-4
freeradius
Red Hat:enterprise_linux:3::as
 before 0:0.9.3-1
0:0.9.3-1
freeradius-debuginfo
Red Hat:enterprise_linux:3::as
 before 0:0.9.3-1
0:0.9.3-1
freeradius
Red Hat:enterprise_linux:3::es
 before 0:0.9.3-1
0:0.9.3-1
freeradius-debuginfo
Red Hat:enterprise_linux:3::es
 before 0:0.9.3-1
0:0.9.3-1

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBFreeRadius 0.x/1.1.x - Tag Field Heap Corruption2003-11-20

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2003-0967 is a medium vulnerability (CVSS 5.0) in Freeradius, published December 2, 2003. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 4.75%, the 91st percentile. Fixed in freeradius 0.9.2-4.

References

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