CVE-2009-4008: n/a vulnerability

CVE-2009-4008: Unbound before 1.4.4 does not send responses for signed zones after mishandling an unspecified query, which...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 18:38 UTC (UTC+00:00)

Security readout for executives and security teams

This issue could let a remote attacker disrupt DNSSEC-related DNS responses from vulnerable Unbound servers. For affected environments, the business impact is loss or degradation of name resolution for signed zones, which can break access to dependent services even though no data theft is described. Exposure is likely limited to environments running Unbound before 1.4.4, particularly DNS infrastructure handling DNSSEC-signed zones or DNSSEC validation. The supplied affected-product metadata is incomplete, so inventory should rely on installed package and service versions. Treat as a DNS availability risk. It is not described as data compromise, but vulnerable DNS infrastructure can cause visible service disruption. Prioritize remediation for internet-facing and high-dependency resolvers. Mitigation focus: Upgrade Unbound to 1.4.4 or a later vendor-supported fixed release.; Apply relevant Debian security updates where Debian packages are used.; Check current NLnet Labs or OS vendor guidance for supported upgrade paths..

Prepared: Jun 27, 2026, 18:32 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2009-4008 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup

Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jun 2, 2011, 20:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

1Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.