UBUNTU-CVE-2015-7540

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    UBUNTU-CVE-2015-7540

    Published: 16 Dec 2015Last Modified: 22 Apr 2026
    Upstream:
    CVE-2015-7540
    Aliases:
    USN-2855-1

    Summary:

    Details: The LDAP server in the AD domain controller in Samba 4.x before 4.1.22 does not check return values to ensure successful ASN.1 memory allocation, which allows remote attackers to cause a denial of service (memory consumption and daemon crash) via crafted packets.

    References: https://ubuntu.com/security/CVE-2015-7540, https://www.samba.org/samba/security/CVE-2015-7540.html, https://ubuntu.com/security/notices/USN-2855-1, https://www.cve.org/CVERecord?id=CVE-2015-7540

    Affected packages

    Package

    Name: samba

    Purl: pkg:deb/ubuntu/samba@2:4.1.6+dfsg-1ubuntu2.14.04.11?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:4.1.6+dfsg-1ubuntu2.14.04.11

    Affected versions

    2:3.6.18-1ubuntu3

    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