CVE-2013-2266

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    CVE-2013-2266

    Published: 28 Mar 2013Last Modified: 10 Apr 2026

    Summary:

    Details: libdns in ISC BIND 9.7.x and 9.8.x before 9.8.4-P2, 9.8.5 before 9.8.5b2, 9.9.x before 9.9.2-P2, and 9.9.3 before 9.9.3b2 on UNIX platforms allows remote attackers to cause a denial of service (memory consumption) via a crafted regular expression, as demonstrated by a memory-exhaustion attack against a machine running a named process.

    References: http://rhn.redhat.com/errata/RHSA-2013-0689.html, http://rhn.redhat.com/errata/RHSA-2013-0690.html, http://www.debian.org/security/2013/dsa-2656, http://www.isc.org/software/bind/advisories/cve-2013-2266, http://www.ubuntu.com/usn/USN-1783-1, https://kb.isc.org/article/AA-00879/, http://linux.oracle.com/errata/ELSA-2014-1244, http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html, http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101500.html, http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101603.html, http://marc.info/?l=bugtraq&m=136804614120794&w=2, http://support.apple.com/kb/HT5880, http://www.securityfocus.com/bid/58736, https://kb.isc.org/article/AA-00871/, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19579

    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