Linux Security
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    Ubuntu 4593-2: FreeType vulnerability

    Date 23 Oct 2020
    173
    Posted By LinuxSecurity Advisories
    FreeType could be made to crash or run programs as your login if it opened a specially crafted file.
    ==========================================================================
    Ubuntu Security Notice USN-4593-2
    October 22, 2020
    
    freetype vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 ESM
    
    Summary:
    
    FreeType could be made to crash or run programs as your login if it
    opened a specially crafted file.
    
    Software Description:
    - freetype: FreeType 2 is a font engine library
    
    Details:
    
    USN-4593-1 fixed a vulnerability in FreeType. This update provides
    the corresponding update for Ubuntu 14.04 ESM.
    
    Original advisory details:
    
     Sergei Glazunov discovered that FreeType did not correctly handle certain
     malformed font files. If a user were tricked into using a specially crafted
     font file, a remote attacker could cause FreeType to crash or possibly
     execute arbitrary code with user privileges.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.04 ESM:
      libfreetype6                    2.5.2-1ubuntu2.8+esm2
    
    After a standard system update you need to restart your session to make
    all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4593-2
      https://usn.ubuntu.com/4593-1
      CVE-2020-15999
    

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