CVE-2006-3121

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    CVE-2006-3121

    Published: 17 Aug 2006Last Modified: 10 Apr 2026

    Summary:

    Details: The peel_netstring function in cl_netstring.c in the heartbeat subsystem in High-Availability Linux before 1.2.5, and 2.0 before 2.0.7, allows remote attackers to cause a denial of service (crash) via the length parameter in a heartbeat message.

    References: http://secunia.com/advisories/21505, http://secunia.com/advisories/21511, http://secunia.com/advisories/21518, http://secunia.com/advisories/21521, http://secunia.com/advisories/21629, http://security.gentoo.org/glsa/glsa-200608-23.xml, http://www.mandriva.com/security/advisories?name=MDKSA-2006:142, http://www.ubuntu.com/usn/usn-335-1, http://www.vupen.com/english/advisories/2006/3288, http://www.debian.org/security/2006/dsa-1151, http://www.linux-ha.org/SecurityIssues, http://www.securityfocus.com/bid/19516, http://www.linux-ha.org/_cache/SecurityIssues__sec03.txt, https://exchange.xforce.ibmcloud.com/vulnerabilities/28396

    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