CVE-2011-3581

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    CVE-2011-3581

    Published: 4 Nov 2011Last Modified: 10 Apr 2026

    Summary:

    Details: Heap-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.

    References: http://secunia.com/advisories/46470, http://secunia.com/advisories/46476, http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068091.html, http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068201.html, http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068239.html, http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00008.html, http://nlnetlabs.nl/svn/ldns/tags/release-1.6.11/Changelog, http://seclists.org/oss-sec/2011/q3/503, http://seclists.org/oss-sec/2011/q3/542, http://www.nlnetlabs.nl/bugs-script/show_bug.cgi?id=403, http://www.securityfocus.com/bid/49748

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High