CVE-2011-4869

N/A Unknown
Published: December 20, 2011 Modified: April 29, 2026
View on NVD

Description

validator/val_nsec3.c in Unbound before 1.4.13p2 does not properly perform proof processing for NSEC3-signed zones, which allows remote DNS servers to cause a denial of service (daemon crash) via a malformed response that lacks expected NSEC3 records, a different vulnerability than CVE-2011-4528.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html
Source: cve@mitre.org
http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.html
Source: cve@mitre.org
http://osvdb.org/77910
Source: cve@mitre.org
http://secunia.com/advisories/47326
Source: cve@mitre.org
http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt
Source: cve@mitre.org
Patch Vendor Advisory
http://www.debian.org/security/2011/dsa-2370
Source: cve@mitre.org
http://www.kb.cert.org/vuls/id/209659
Source: cve@mitre.org
Patch US Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/71868
Source: cve@mitre.org
http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://osvdb.org/77910
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/47326
Source: af854a3a-2127-422b-91ae-364da2661108
http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
http://www.debian.org/security/2011/dsa-2370
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.kb.cert.org/vuls/id/209659
Source: af854a3a-2127-422b-91ae-364da2661108
Patch US Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/71868
Source: af854a3a-2127-422b-91ae-364da2661108

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
3.1%
86th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-399

Affected Vendors

unbound

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