VulnerabilityModified
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) via a crafted query.
MEDIUM 5.0EPSS 2.70%
Does this matter?
Lower severity and a low EPSS score (2.70%). Track it; it rarely justifies an emergency change on its own.
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 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 2.70% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- nlnetlabs/unbound
- Source
- cve@mitre.org
References
- http://packages.debian.org/changelogs/pool/main/u/unbound/unbound_1.4.6-1/changelog
- http://unbound.nlnetlabs.nl/downloads/unbound-1.4.4.tar.gzPatch
- http://www.debian.org/security/2011/dsa-2243
- http://packages.debian.org/changelogs/pool/main/u/unbound/unbound_1.4.6-1/changelog
- http://unbound.nlnetlabs.nl/downloads/unbound-1.4.4.tar.gzPatch
- http://www.debian.org/security/2011/dsa-2243
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.