5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
6.2 Medium
AI Score
Confidence
Low
0.008 Low
EPSS
Percentile
82.1%
Unbound before 1.4.13p2 attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone, which allows remote DNS servers to cause a denial of service (daemon crash) via a crafted response.
lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html
lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.html
osvdb.org/77909
secunia.com/advisories/47326
unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt
www.debian.org/security/2011/dsa-2370
www.kb.cert.org/vuls/id/209659