UBUNTU-CVE-2015-6806

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    UBUNTU-CVE-2015-6806

    Published: 28 Sept 2015Last Modified: 4 Feb 2026
    Upstream:
    CVE-2015-6806
    Aliases:
    USN-3996-1

    Summary:

    Details: The MScrollV function in ansi.c in GNU screen 4.3.1 and earlier does not properly limit recursion, which allows remote attackers to cause a denial of service (stack consumption) via an escape sequence with a large repeat count value.

    References: https://ubuntu.com/security/CVE-2015-6806, http://www.openwall.com/lists/oss-security/2015/09/01/1, https://ubuntu.com/security/notices/USN-3996-1, https://www.cve.org/CVERecord?id=CVE-2015-6806

    Affected packages

    Package

    Name: screen

    Purl: pkg:deb/ubuntu/[email protected]~20120320gitdb59704-9ubuntu0.1~esm1?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.1.0~20120320gitdb59704-9ubuntu0.1~esm1

    Affected versions

    4.0.3-14ubuntu10

    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