CVE-2006-2781

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    CVE-2006-2781

    Published: 2 Jun 2006Last Modified: 10 Apr 2026

    Summary:

    Details: Double free vulnerability in nsVCard.cpp in Mozilla Thunderbird before 1.5.0.4 and SeaMonkey before 1.0.2 allows remote attackers to cause a denial of service (hang) and possibly execute arbitrary code via a VCard that contains invalid base64 characters.

    References: http://rhn.redhat.com/errata/RHSA-2006-0609.html, http://secunia.com/advisories/20382, http://secunia.com/advisories/20394, http://secunia.com/advisories/20709, http://secunia.com/advisories/21134, http://secunia.com/advisories/21178, http://secunia.com/advisories/21183, http://secunia.com/advisories/21210, http://secunia.com/advisories/21269, http://secunia.com/advisories/21324, http://secunia.com/advisories/21336, http://secunia.com/advisories/21607, http://secunia.com/advisories/21631, http://secunia.com/advisories/22065, http://www.debian.org/security/2006/dsa-1118, http://www.debian.org/security/2006/dsa-1134, http://www.mandriva.com/security/advisories?name=MDKSA-2006:146, http://www.novell.com/linux/security/advisories/2006_35_mozilla.html, http://www.vupen.com/english/advisories/2006/2106, http://www.vupen.com/english/advisories/2006/3749, http://securitytracker.com/id?1016214, http://www.gentoo.org/security/en/glsa/glsa-200606-21.xml, http://www.mozilla.org/security/announce/2006/mfsa2006-40.html, http://www.redhat.com/support/errata/RHSA-2006-0578.html, http://www.redhat.com/support/errata/RHSA-2006-0594.html, http://www.redhat.com/support/errata/RHSA-2006-0611.html, http://www.securityfocus.com/archive/1/435795/100/0/threaded, http://www.securityfocus.com/archive/1/446657/100/200/threaded, http://www.securityfocus.com/bid/18228, https://exchange.xforce.ibmcloud.com/vulnerabilities/26850, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10247, https://usn.ubuntu.com/297-1/, https://usn.ubuntu.com/297-3/, https://usn.ubuntu.com/323-1/

    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