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Fencer Vulns
high 7.5

CVE-2017-10983 json

An FR-GV-206 issue in FreeRADIUS 2.x before 2.2.10 and 3.x before 3.0.15 allows "DHCP - Read overflow when decoding option 63" and a denial…

published 2017-07-17 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-2621

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.4%
EPSS 3.4% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

An FR-GV-206 issue in FreeRADIUS 2.x before 2.2.10 and 3.x before 3.0.15 allows "DHCP - Read overflow when decoding option 63" and a denial of service.

Patch / fix

  • freeradius Debian 14, Debian 13, Debian 12 3.0.15+dfsg-1

debian advisories DEBIAN-CVE-2017-10983

  • freeradius Ubuntu 14.04 LTS 2.1.12+dfsg-1.2ubuntu8.2
  • freeradius Ubuntu 16.04 LTS 2.2.8+dfsg-0.1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2017-10983

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • freeradius RHEL 7 3.0.13-8.el7_4
  • freeradius-krb5 RHEL 7 3.0.13-8.el7_4
  • freeradius-ldap RHEL 7 3.0.13-8.el7_4
  • freeradius-perl RHEL 7 3.0.13-8.el7_4
  • freeradius-mysql RHEL 7 3.0.13-8.el7_4
  • freeradius-utils RHEL 7 3.0.13-8.el7_4
  • freeradius-python RHEL 7 3.0.13-8.el7_4
  • freeradius-sqlite RHEL 7 3.0.13-8.el7_4

red hat advisories RHSA-2017:2389RHSA-2017:1759

  • freeradius-server SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 +1 more 3.0.3-17.9.1
  • freeradius-server SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 2.1.1-7.25.3.1
  • freeradius-server SLES for SAP 12 SP3, SLES 12 SP3, SLE Software Development Kit 12 SP3 3.0.15-2.3.1

suse advisories SUSE-SU-2017:2243-1SUSE-SU-2017:2244-1SUSE-SU-2017:2202-1

  • freeradius-server openSUSE Tumbleweed 3.0.23-1.5

opensuse advisories openSUSE-SU-2024:10767-1

  • freeradius Arch Linux 3.0.15-1

arch linux advisories AVG-357

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-2017-10983 updated cvss 5.9

freeradius: Out-of-bounds read in fr_dhcp_decode() when decoding option 63

  • Red Hat Enterprise Linux 5 freeradius, freeradius2
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Server (v. 6) freeradius 2.2.6-7.el6_9
    fixed: vendor fix RHSA-2017:1759
  • Red Hat Enterprise Linux Server (v. 7) freeradius 3.0.13-8.el7_4
    fixed: vendor fix RHSA-2017:2389
  • Red Hat Enterprise Linux Server Optional (v. 6) freeradius-krb5 2.2.6-7.el6_9, freeradius-ldap 2.2.6-7.el6_9, freeradius-perl 2.2.6-7.el6_9, freeradius-mysql 2.2.6-7.el6_9, freeradius-utils 2.2.6-7.el6_9, freeradius-python 2.2.6-7.el6_9, +2 more
    fixed: vendor fix RHSA-2017:1759
  • Red Hat Enterprise Linux Server Optional (v. 7) freeradius-krb5 3.0.13-8.el7_4, freeradius-ldap 3.0.13-8.el7_4, freeradius-perl 3.0.13-8.el7_4, freeradius-mysql 3.0.13-8.el7_4, freeradius-utils 3.0.13-8.el7_4, freeradius-python 3.0.13-8.el7_4, +3 more
    fixed: vendor fix RHSA-2017:2389
  • Red Hat Enterprise Linux Workstation (v. 6) freeradius 2.2.6-7.el6_9
    fixed: vendor fix RHSA-2017:1759
  • Red Hat Enterprise Linux Workstation (v. 7) freeradius 3.0.13-8.el7_4
    fixed: vendor fix RHSA-2017:2389
  • Red Hat Enterprise Linux Workstation Optional (v. 6) freeradius-krb5 2.2.6-7.el6_9, freeradius-ldap 2.2.6-7.el6_9, freeradius-perl 2.2.6-7.el6_9, freeradius-mysql 2.2.6-7.el6_9, freeradius-utils 2.2.6-7.el6_9, freeradius-python 2.2.6-7.el6_9, +2 more
    fixed: vendor fix RHSA-2017:1759
show 1 more
  • Red Hat Enterprise Linux Workstation Optional (v. 7) freeradius-krb5 3.0.13-8.el7_4, freeradius-ldap 3.0.13-8.el7_4, freeradius-perl 3.0.13-8.el7_4, freeradius-mysql 3.0.13-8.el7_4, freeradius-utils 3.0.13-8.el7_4, freeradius-python 3.0.13-8.el7_4, +3 more
    fixed: vendor fix RHSA-2017:2389

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

Exploit prediction

3.38% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.