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    Ubuntu 4501-1: LuaJIT vulnerability

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    LuaJIT could be made crash or expose sensitive information if it received specially crafted input.
    ==========================================================================
    Ubuntu Security Notice USN-4501-1
    September 15, 2020
    
    luajit vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 16.04 LTS
    
    Summary:
    
    LuaJIT could be made crash or expose sensitive information if it received
    specially crafted input.
    
    Software Description:
    - luajit: Just in time compiler for Lua programming language version 5.1
    
    Details:
    
    It was discovered that an out-of-bounds read existed in LuaJIT. An
    attacker could use this to cause a denial of service (application crash)
    or possibly expose sensitive information. (CVE-2020-15890)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 16.04 LTS:
      libluajit-5.1-2                 2.0.4+dfsg-1+deb9u1build0.16.04.1
      libluajit-5.1-common            2.0.4+dfsg-1+deb9u1build0.16.04.1
      libluajit-5.1-dev               2.0.4+dfsg-1+deb9u1build0.16.04.1
      luajit                          2.0.4+dfsg-1+deb9u1build0.16.04.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4501-1
      CVE-2020-15890
    
    Package Information:
    
    https://launchpad.net/ubuntu/+source/luajit/2.0.4+dfsg-1+deb9u1build0.16.04.1
    
    

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