UBUNTU-CVE-2018-11237

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    UBUNTU-CVE-2018-11237

    Published: 18 May 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-11237
    Aliases:
    USN-4416-1

    Summary:

    Details: An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2.27 and earlier may write data beyond the target buffer, leading to a buffer overflow in __mempcpy_avx512_no_vzeroupper.

    References: https://ubuntu.com/security/CVE-2018-11237, https://ubuntu.com/security/notices/USN-4416-1, https://www.cve.org/CVERecord?id=CVE-2018-11237

    Affected packages

    Package

    Name: glibc

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.23-0ubuntu11.2

    Affected versions

    2.21-0ubuntu4

    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