Ubuntu 3941-1: Lua vulnerability

    Date08 Apr 2019
    CategoryUbuntu
    2893
    Posted ByLinuxSecurity Advisories
    Lua could be made to crash if it received a specially crafted script.
    ==========================================================================
    Ubuntu Security Notice USN-3941-1
    April 08, 2019
    
    lua5.3 vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.10
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    Lua could be made to crash if it received a specially crafted script.
    
    Software Description:
    - lua5.3: Simple, extensible, embeddable programming language
    
    Details:
    
    Fady Othman discovered that Lua incorrectly handled certain scripts.
    An attacker could possibly use this issue to cause a denial of service.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 18.10:
      lua5.3                          5.3.3-1ubuntu0.18.10.1
    
    Ubuntu 18.04 LTS:
      lua5.3                          5.3.3-1ubuntu0.18.04.1
    
    Ubuntu 16.04 LTS:
      lua5.3                          5.3.1-1ubuntu2.1
    
    In general, a standard system update will make all the necessary
    changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3941-1
      CVE-2019-6706
    
    Package Information:
      https://launchpad.net/ubuntu/+source/lua5.3/5.3.3-1ubuntu0.18.10.1
      https://launchpad.net/ubuntu/+source/lua5.3/5.3.3-1ubuntu0.18.04.1
      https://launchpad.net/ubuntu/+source/lua5.3/5.3.1-1ubuntu2.1
    
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