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Fencer Vulns
medium 5.0

CVE-2003-0967 json

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…

published 2003-12-02 22 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0957

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.8%
EPSS 4.8% chance of exploitation in 30 days, percentile 91%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

  • freeradius Debian 14, Debian 13, Debian 12 0.9.2-4

debian advisories DEBIAN-CVE-2003-0967

  • freeradius RHEL 3 0.9.3-1

red hat advisories RHSA-2003:386

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2003-0967 updated

security flaw

  • Red Hat Enterprise Linux AS version 3 freeradius 0.9.3-1 Red Hat Enterprise Linux ES version 3 freeradius 0.9.3-1
    fixed: vendor fix RHSA-2003:386

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-23391)
  2. Published

Exploit prediction

4.75% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-23391 FreeRadius 0.x/1.1.x - Tag Field Heap Corruption dos, 2003-11-20

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.