CVE-2011-3581

Summary

CVECVE-2011-3581
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-11-04 21:55:06 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionHeap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns before 1.6.11 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a Resource Record (RR) with an unknown type containing input that is longer than a specified length.

Risk And Classification

Primary CVSS: v2.0 6.8 from [email protected]

AV:N/AC:M/Au:N/C:P/I:P/A:P

Problem Types: CWE-119 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:M/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Nlnetlabs Ldns 0.50 All All All
Application Nlnetlabs Ldns 0.60 All All All
Application Nlnetlabs Ldns 0.65 All All All
Application Nlnetlabs Ldns 0.66 All All All
Application Nlnetlabs Ldns 0.70 All All All
Application Nlnetlabs Ldns 1.0.0 All All All
Application Nlnetlabs Ldns 1.1.0 All All All
Application Nlnetlabs Ldns 1.2.0 All All All
Application Nlnetlabs Ldns 1.2.1 All All All
Application Nlnetlabs Ldns 1.2.2 All All All
Application Nlnetlabs Ldns 1.3 All All All
Application Nlnetlabs Ldns 1.4.0 All All All
Application Nlnetlabs Ldns 1.4.1 All All All
Application Nlnetlabs Ldns 1.5.0 All All All
Application Nlnetlabs Ldns 1.5.1 All All All
Application Nlnetlabs Ldns 1.6.0 All All All
Application Nlnetlabs Ldns 1.6.1 All All All
Application Nlnetlabs Ldns 1.6.2 All All All
Application Nlnetlabs Ldns 1.6.3 All All All
Application Nlnetlabs Ldns 1.6.4 All All All
Application Nlnetlabs Ldns 1.6.5 All All All
Application Nlnetlabs Ldns 1.6.6 All All All
Application Nlnetlabs Ldns 1.6.7 All All All
Application Nlnetlabs Ldns 1.6.8 All All All
Application Nlnetlabs Ldns 1.6.9 All All All
Application Nlnetlabs Ldns All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Bug 403 – heap overflow in ldns_rr_new_frm_str_internal af854a3a-2127-422b-91ae-364da2661108 www.nlnetlabs.nl
nlnetlabs.nl/svn/ldns/tags/release-1.6.11/Changelog af854a3a-2127-422b-91ae-364da2661108 nlnetlabs.nl
[security-announce] openSUSE-SU-2011:1161-1: important: ldns (CVE-2011-3 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
[SECURITY] Fedora 14 Update: ldns-1.6.11-2.fc14 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
Security Advisory SA46476 - Fedora update for ldns - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
ldns 'rr.c' Remote Heap Buffer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
[SECURITY] Fedora 15 Update: ldns-1.6.11-2.fc15 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
Security Advisory SA46470 - SUSE update for ldns - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
[SECURITY] Fedora 16 Update: ldns-1.6.11-2.fc16 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
oss-sec: Re: CVE request: heap-based buffer overflow in ldns af854a3a-2127-422b-91ae-364da2661108 seclists.org
oss-sec: CVE request: heap-based buffer overflow in ldns af854a3a-2127-422b-91ae-364da2661108 seclists.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report