CVE-2006-2659

    Dashboard / Vulnerabilities / CVE-2006-2659

    CVE-2006-2659

    Published: 30 May 2006Last Modified: 10 Apr 2026

    Summary:

    Details: libs/comverp.c in Courier MTA before 0.53.2 allows attackers to cause a denial of service (CPU consumption) via unknown vectors involving usernames that contain the "=" (equals) character, which is not properly handled during encoding.

    References: http://secunia.com/advisories/20519, http://secunia.com/advisories/20548, http://secunia.com/advisories/20792, http://secunia.com/advisories/21350, http://security.gentoo.org/glsa/glsa-200608-06.xml, http://www.debian.org/security/2006/dsa-1101, http://www.vupen.com/english/advisories/2006/2214, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=368834, http://www.courier-mta.org/beta/patches/verp-fix/README.txt, http://securitytracker.com/id?1016248, http://www.securityfocus.com/bid/18345, https://exchange.xforce.ibmcloud.com/vulnerabilities/26998, https://usn.ubuntu.com/294-1/

    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