UBUNTU-CVE-2019-6706

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    UBUNTU-CVE-2019-6706

    Published: 23 Jan 2019Last Modified: 22 Apr 2026
    Upstream:
    CVE-2019-6706
    Aliases:
    USN-3941-1

    Summary:

    Details: Lua 5.3.5 has a use-after-free in lua_upvaluejoin in lapi.c. For example, a crash outcome might be achieved by an attacker who is able to trigger a debug.upvaluejoin call in which the arguments have certain relationships.

    References: https://ubuntu.com/security/CVE-2019-6706, http://lua.2524044.n2.nabble.com/Bug-Report-Use-after-free-in-debug-upvaluejoin-tc7685506.html, http://lua.2524044.n2.nabble.com/CVE-2019-6706-use-after-free-in-lua-upvaluejoin-function-tc7685575.html, https://ubuntu.com/security/notices/USN-3941-1, https://www.cve.org/CVERecord?id=CVE-2019-6706

    Affected packages

    Package

    Name: lua5.3

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.3.1-1ubuntu2.1

    Affected versions

    5.3.1-1
    5.3.1-1ubuntu2

    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
    UBUNTU-CVE-2019-6706 | CVE-DB