Mend.io Vulnerability Database

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CVE-2009-4008

Date: June 2, 2011

Unbound before 1.4.4 does not send responses for signed zones after mishandling an unspecified query, which allows remote attackers to cause a denial of service (DNSSEC outage) via a crafted query.

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2009-4008
http://packages.debian.org/changelogs/pool/main/u/unbound/unbound_1.4.6-1/changelog
http://www.debian.org/security/2011/dsa-2243
http://unbound.nlnetlabs.nl/downloads/unbound-1.4.4.tar.gz
https://www.mend.io/vulnerability-database/CVE-2009-4008

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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