Ubuntu 4099-1: nginx vulnerabilities

    Date15 Aug 2019
    2047
    Posted ByLinuxSecurity Advisories
    nginx could be made to crash if it received specially crafted network traffic.
    ==========================================================================
    Ubuntu Security Notice USN-4099-1
    August 15, 2019
    
    nginx vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.04
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    nginx could be made to crash if it received specially crafted network
    traffic.
    
    Software Description:
    - nginx: small, powerful, scalable web/proxy server
    
    Details:
    
    Jonathan Looney discovered that nginx incorrectly handled the HTTP/2
    implementation. A remote attacker could possibly use this issue to consume
    resources, leading to a denial of service.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.04:
      nginx-common                    1.15.9-0ubuntu1.1
      nginx-core                      1.15.9-0ubuntu1.1
      nginx-extras                    1.15.9-0ubuntu1.1
      nginx-full                      1.15.9-0ubuntu1.1
      nginx-light                     1.15.9-0ubuntu1.1
    
    Ubuntu 18.04 LTS:
      nginx-common                    1.14.0-0ubuntu1.4
      nginx-core                      1.14.0-0ubuntu1.4
      nginx-extras                    1.14.0-0ubuntu1.4
      nginx-full                      1.14.0-0ubuntu1.4
      nginx-light                     1.14.0-0ubuntu1.4
    
    Ubuntu 16.04 LTS:
      nginx-common                    1.10.3-0ubuntu0.16.04.4
      nginx-core                      1.10.3-0ubuntu0.16.04.4
      nginx-extras                    1.10.3-0ubuntu0.16.04.4
      nginx-full                      1.10.3-0ubuntu0.16.04.4
      nginx-light                     1.10.3-0ubuntu0.16.04.4
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4099-1
      CVE-2019-9511, CVE-2019-9513, CVE-2019-9516
    
    Package Information:
      https://launchpad.net/ubuntu/+source/nginx/1.15.9-0ubuntu1.1
      https://launchpad.net/ubuntu/+source/nginx/1.14.0-0ubuntu1.4
      https://launchpad.net/ubuntu/+source/nginx/1.10.3-0ubuntu0.16.04.4
    
    

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