CVE-2017-10979

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.

Published: 2017-07-17 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-10979 is rated High Risk (75.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 22.20%, 97th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.29% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2017-10979

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 19.92% 22.20% +2.29%
2 2026-06-06 30.22% 19.92% -10.30%
3 2026-03-20 — 30.22% —

Full EPSS history (21 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-10979

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2017-10979

OS Trackers for CVE-2017-10979

vendor priority summary link
debian not yet assigned CVE-2017-10979 not yet assigned priority: Debian including 1 source packages (freeradius), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2017-10979
redhat high — https://access.redhat.com/security/cve/CVE-2017-10979
ubuntu medium CVE-2017-10979 medium priority: Ubuntu including 1 source packages (freeradius), 5 status rows across 5 suites (trusty, upstream, xenial, yakkety, zesty): released 3, ignored 1, not-affected 1. https://ubuntu.com/security/CVE-2017-10979

Affected software / configurations for CVE-2017-10979

Vendor Product Version Raw CPE
freeradius freeradius 2.0.0 cpe:2.3:a:freeradius:freeradius:2.0.0:*:*:*:*:*:*:*
freeradius freeradius 2.0.0 cpe:2.3:a:freeradius:freeradius:2.0.0:pre1:*:*:*:*:*:*
freeradius freeradius 2.0.0 cpe:2.3:a:freeradius:freeradius:2.0.0:pre2:*:*:*:*:*:*
freeradius freeradius 2.0.1 cpe:2.3:a:freeradius:freeradius:2.0.1:*:*:*:*:*:*:*
freeradius freeradius 2.0.2 cpe:2.3:a:freeradius:freeradius:2.0.2:*:*:*:*:*:*:*
freeradius freeradius 2.0.3 cpe:2.3:a:freeradius:freeradius:2.0.3:*:*:*:*:*:*:*
freeradius freeradius 2.0.4 cpe:2.3:a:freeradius:freeradius:2.0.4:*:*:*:*:*:*:*
freeradius freeradius 2.0.5 cpe:2.3:a:freeradius:freeradius:2.0.5:*:*:*:*:*:*:*
freeradius freeradius 2.1.0 cpe:2.3:a:freeradius:freeradius:2.1.0:*:*:*:*:*:*:*
freeradius freeradius 2.1.1 cpe:2.3:a:freeradius:freeradius:2.1.1:*:*:*:*:*:*:*
freeradius freeradius 2.1.2 cpe:2.3:a:freeradius:freeradius:2.1.2:*:*:*:*:*:*:*
freeradius freeradius 2.1.3 cpe:2.3:a:freeradius:freeradius:2.1.3:*:*:*:*:*:*:*
freeradius freeradius 2.1.4 cpe:2.3:a:freeradius:freeradius:2.1.4:*:*:*:*:*:*:*
freeradius freeradius 2.1.6 cpe:2.3:a:freeradius:freeradius:2.1.6:*:*:*:*:*:*:*
freeradius freeradius 2.1.7 cpe:2.3:a:freeradius:freeradius:2.1.7:*:*:*:*:*:*:*
freeradius freeradius 2.1.8 cpe:2.3:a:freeradius:freeradius:2.1.8:*:*:*:*:*:*:*
freeradius freeradius 2.1.9 cpe:2.3:a:freeradius:freeradius:2.1.9:*:*:*:*:*:*:*
freeradius freeradius 2.1.10 cpe:2.3:a:freeradius:freeradius:2.1.10:*:*:*:*:*:*:*
freeradius freeradius 2.1.11 cpe:2.3:a:freeradius:freeradius:2.1.11:*:*:*:*:*:*:*
freeradius freeradius 2.1.12 cpe:2.3:a:freeradius:freeradius:2.1.12:*:*:*:*:*:*:*
freeradius freeradius 2.2.0 cpe:2.3:a:freeradius:freeradius:2.2.0:*:*:*:*:*:*:*
freeradius freeradius 2.2.1 cpe:2.3:a:freeradius:freeradius:2.2.1:*:*:*:*:*:*:*
freeradius freeradius 2.2.2 cpe:2.3:a:freeradius:freeradius:2.2.2:*:*:*:*:*:*:*
freeradius freeradius 2.2.3 cpe:2.3:a:freeradius:freeradius:2.2.3:*:*:*:*:*:*:*
freeradius freeradius 2.2.4 cpe:2.3:a:freeradius:freeradius:2.2.4:*:*:*:*:*:*:*
freeradius freeradius 2.2.5 cpe:2.3:a:freeradius:freeradius:2.2.5:*:*:*:*:*:*:*
freeradius freeradius 2.2.6 cpe:2.3:a:freeradius:freeradius:2.2.6:*:*:*:*:*:*:*
freeradius freeradius 2.2.7 cpe:2.3:a:freeradius:freeradius:2.2.7:*:*:*:*:*:*:*
freeradius freeradius 2.2.8 cpe:2.3:a:freeradius:freeradius:2.2.8:*:*:*:*:*:*:*
freeradius freeradius 2.2.9 cpe:2.3:a:freeradius:freeradius:2.2.9:*:*:*:*:*:*:*

References for CVE-2017-10979

cvelogic Threat Intelligence