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.
- EPSS
- 2.7% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)
- CWE
- CWE-399
- Published
- Modified
- Record from
- the NVD, synced
Affected
- nlnetlabs:unbound
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.gz
- 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.gz