Vulnerability Report

CVE-2014-8602

Title: Nlnetlabs Unbound Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2014-8602.

CWE Category CWE-399

Published Date Dec 11, 2014

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 4.3 CVSS v2.0

Exploit Probability (EPSS)

25.21%

Vulnerability Summary

CVE-2014-8602: iterator.c in NLnet Labs Unbound before 1.5.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a large or infinite number of referrals.

Impacted Vendors

nlnetlabs 1

unbound 1

fedoraproject 1

Reference Links

http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html http://unbound.net/downloads/patch_cve_2014_8602.diff http://www.debian.org/security/2014/dsa-3097 http://www.kb.cert.org/vuls/id/264212 http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html http://www.securityfocus.com/bid/71589 http://www.ubuntu.com/usn/USN-2484-1 https://unbound.net/downloads/CVE-2014-8602.txt http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html http://unbound.net/downloads/patch_cve_2014_8602.diff http://www.debian.org/security/2014/dsa-3097 http://www.kb.cert.org/vuls/id/264212 http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html http://www.securityfocus.com/bid/71589 http://www.ubuntu.com/usn/USN-2484-1 https://unbound.net/downloads/CVE-2014-8602.txt

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.3

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2014-8602 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

April 12, 2025 MODIFIED

Vulnerability data or affected products updated.

December 11, 2014 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.