CVE-2009-4008 — Unbound vulnerability

CWE-3995 documents5 sources

Severity

5.0MEDIUMNVD

EPSS

0.3%

top 50.92%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Nlnetlabs Unbound

Timeline

PublishedJun 2

Latest updateMay 2

Description

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.

CVSS vector

AV:N/AC:L/C:N/I:N/A:PExploitability: 10.0 | Impact: 2.9

Affected Packages2 packages

▶Debiannlnetlabs/unbound< 1.4.4-1+3

▶NVDnlnetlabs/unbound1.4.3+29

Patches

Patch: unbound.nlnetlabs.nl ↗Patch: unbound.nlnetlabs.nl ↗

🔴Vulnerability Details

GHSA

GHSA-cjjv-pc59-mghf: Unbound before 1↗2022-05-02

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OSV

CVE-2009-4008: Unbound before 1↗2011-06-02

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CVEList

CVE-2009-4008: Unbound before 1↗2011-06-02

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📋Vendor Advisories

Debian

CVE-2009-4008: unbound - Unbound before 1.4.4 does not send responses for signed zones after mishandling ...↗2009

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