Unscored severity · published Jun 2, 2011
CVE-2009-4008
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)…
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CVSS
2.7%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)2.7% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UN
Unbound · Nlnetlabs
through 1.4.3; 0.0; 0.1; 0.2; 0.3; 0.4; +24 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2009-4008
CVE.org
https://www.cve.org/CVERecord?id=CVE-2009-4008
packages.debian.org
http://packages.debian.org/changelogs/pool/main/u/unbound/unbound_1.4.6-1/changelog
Patch
http://unbound.nlnetlabs.nl/downloads/unbound-1.4.4.tar.gz
www.debian.org
http://www.debian.org/security/2011/dsa-2243
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