UBUNTU-CVE-2018-11236

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    UBUNTU-CVE-2018-11236

    Published: 18 May 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-11236

    Summary:

    Details: stdlib/canonicalize.c in the GNU C Library (aka glibc or libc6) 2.27 and earlier, when processing very long pathname arguments to the realpath function, could encounter an integer overflow on 32-bit architectures, leading to a stack-based buffer overflow and, potentially, arbitrary code execution.

    References: https://ubuntu.com/security/CVE-2018-11236, https://ubuntu.com/security/notices/USN-4416-1, https://www.cve.org/CVERecord?id=CVE-2018-11236, https://ubuntu.com/security/notices/USN-6762-1

    Affected packages

    Package

    Name: eglibc

    Purl: pkg:deb/ubuntu/[email protected]+esm3?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.19-0ubuntu6.15+esm3

    Affected versions

    2.17-93ubuntu4

    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