CVE-2009-1755

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    CVE-2009-1755

    Published: 22 May 2009Last Modified: 10 Apr 2026

    Summary:

    Details: Off-by-one error in the packet_read_query_section function in packet.c in nsd 3.2.1, and process_query_section in query.c in nsd 2.3.7, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors that trigger a buffer overflow.

    References: http://www.nlnetlabs.nl/publications/NSD_vulnerability_announcement.html, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=529418, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=529420, http://www.nlnetlabs.nl/publications/NSD_vulnerability_announcement.html, http://www.openwall.com/lists/oss-security/2009/05/19/1

    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