CVEvulnerability
CVE-2011-4869
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2011-12-20
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-399
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.
Affected configurations
• unbound unbound (<= 1.4.12)
• unbound unbound 0.0
• unbound unbound 0.1
• unbound unbound 0.2
• unbound unbound 0.3
• unbound unbound 0.4
• unbound unbound 0.5
• unbound unbound 0.6
• unbound unbound 0.7
• unbound unbound 0.7.1
• unbound unbound 0.7.2
• unbound unbound 0.8
• unbound unbound 0.09
• unbound unbound 0.10
• unbound unbound 0.11
• unbound unbound 1.0.0
• unbound unbound 1.0.1
• unbound unbound 1.0.2
• unbound unbound 1.1.0
• unbound unbound 1.1.1
• unbound unbound 1.2.0
• unbound unbound 1.2.1
• unbound unbound 1.3.0
• unbound unbound 1.3.1
• unbound unbound 1.3.2
• unbound unbound 1.3.3
• unbound unbound 1.3.4
• unbound unbound 1.4.0
• unbound unbound 1.4.1
• unbound unbound 1.4.2
• unbound unbound 1.4.3
• unbound unbound 1.4.4
• unbound unbound 1.4.5
• unbound unbound 1.4.6
• unbound unbound 1.4.7
• unbound unbound 1.4.8
• unbound unbound 1.4.9
• unbound unbound 1.4.10
• unbound unbound 1.4.11
Related
Weakness · not in database (1)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html lists.fedoraproject.org
- http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.html lists.fedoraproject.org
- http://osvdb.org/77910 osvdb.org
- http://secunia.com/advisories/47326 secunia.com
- http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt Patch, Vendor Advisory
- http://www.debian.org/security/2011/dsa-2370 www.debian.org
- http://www.kb.cert.org/vuls/id/209659 Patch, US Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71868 exchange.xforce.ibmcloud.com
- http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html lists.fedoraproject.org
- http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.html lists.fedoraproject.org
- http://osvdb.org/77910 osvdb.org
- http://secunia.com/advisories/47326 secunia.com
- http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt Patch, Vendor Advisory
- http://www.debian.org/security/2011/dsa-2370 www.debian.org
- http://www.kb.cert.org/vuls/id/209659 Patch, US Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71868 exchange.xforce.ibmcloud.com