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Vulnerability record · CVE-2017-10979 · published 17 July 2017

CVE-2017-10979: Freeradius out-of-bounds write vulnerability

Freeradius · Freeradius

An FR-GV-202 issue in FreeRADIUS 2.x before 2.2.10 allows "Write overflow in rad_coalesce()" - this allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code.

9.8 CVSS 3.0 Critical EPSS 7.0% · top 6.0% CWE-787 · Out-of-bounds write
9.8CVSS 3.0 base score, v2 7.5
7.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

An FR-GV-202 issue in FreeRADIUS 2.x before 2.2.10 allows "Write overflow in rad_coalesce()" - this allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://freeradius.org/security/fuzzer-2017.html PatchVendor Advisory
http://www.debian.org/security/2017/dsa-3930
http://www.securityfocus.com/bid/99901
http://www.securitytracker.com/id/1038914 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:1759
http://freeradius.org/security/fuzzer-2017.html PatchVendor Advisory
http://www.debian.org/security/2017/dsa-3930
http://www.securityfocus.com/bid/99901
http://www.securitytracker.com/id/1038914 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:1759

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-11234Freeradius improper authentication vulnerabilityFreeRADIUS before 3.0.19 does not prevent use of reflection for authentication spoofing, aka a "Dragonblood" issue, a similar issue to CVE-2019-9497.EPSS 7.6%9.8CVE-2019-11235Freeradius insufficient verification of data authenticity vulnerabilityFreeRADIUS before 3.0.19 mishandles the "each participant verifies that the received scalar is within a range, and that the received group element is…EPSS 3.6%9.8CVE-2017-10984Freeradius out-of-bounds write vulnerabilityAn FR-GV-301 issue in FreeRADIUS 3.x before 3.0.15 allows "Write overflow in data2vp_wimax()" - this allows remote attackers to cause a denial of ser…EPSS 6.4%9.8CVE-2017-9148Freeradius improper authentication vulnerabilityThe TLS session cache in FreeRADIUS 2.1.1 through 2.1.7, 3.0.x before 3.0.14, 3.1.x before 2017-02-04, and 4.0.x before 2017-02-04 fails to reliably …EPSS 3.9%9.0CVE-2024-3596Freeradius vulnerabilityRADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid Response (Access-Accept, Access-Reject,…EPSS 15%8.1CVE-2015-8763Freeradius out-of-bounds read vulnerabilityThe EAP-PWD module in FreeRADIUS 3.0 through 3.0.8 allows remote attackers to have unspecified impact via a crafted (1) commit or (2) confirm message…EPSS 1.2%8.1CVE-2015-8764Freeradius memory buffer overflow vulnerabilityOff-by-one error in the EAP-PWD module in FreeRADIUS 3.0 through 3.0.8, which triggers a buffer overflow.EPSS 1.1%7.8CVE-2005-4746Freeradius vulnerabilityMultiple buffer overflows in FreeRADIUS 1.0.3 and 1.0.4 allow remote attackers to cause denial of service (crash) via (1) the rlm_sqlcounter module o…EPSS 2.4%

Source: NIST National Vulnerability Database (record CVE-2017-10979), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.