UBUNTU-CVE-2018-20657

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    UBUNTU-CVE-2018-20657

    Published: 2 Jan 2019Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-20657

    Summary:

    Details: The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, has a memory leak via a crafted string, leading to a denial of service (memory consumption), as demonstrated by cxxfilt, a related issue to CVE-2018-12698.

    References: https://ubuntu.com/security/CVE-2018-20657, https://www.cve.org/CVERecord?id=CVE-2018-20657

    Affected packages

    Package

    Name: binutils

    Purl: pkg:deb/ubuntu/[email protected]+esm8?arch=source&distro=esm-infra-legacy/trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2.23.52.20130913-0ubuntu1
    2.23.90.20131017-1ubuntu1
    2.23.90.20131116-1ubuntu1
    2.23.91.20131123-1ubuntu1

    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