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    Ubuntu 4360-4: json-c vulnerability

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    json-c could be made to execute arbitrary code if it received a specially crafted JSON file.
    Ubuntu Security Notice USN-4360-4
    May 28, 2020
    json-c vulnerability
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 20.04 LTS
    - Ubuntu 19.10
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 ESM
    - Ubuntu 12.04 ESM
    json-c could be made to execute arbitrary code if it received
    a specially crafted JSON file.
    Software Description:
    - json-c: JSON manipulation library
    USN-4360-1 fixed a vulnerability in json-c. The security fix introduced a
    memory leak that was reverted in USN-4360-2 and USN-4360-3. This update provides
    the correct fix update for CVE-2020-12762.
    Original advisory details:
     It was discovered that json-c incorrectly handled certain JSON files.
     An attacker could possibly use this issue to execute arbitrary code.
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 20.04 LTS:
      libjson-c4                      0.13.1+dfsg-7ubuntu0.3
    Ubuntu 19.10:
      libjson-c4                      0.13.1+dfsg-4ubuntu0.3
    Ubuntu 18.04 LTS:
      libjson-c3                      0.12.1-1.3ubuntu0.3
    Ubuntu 16.04 LTS:
      libjson-c2                      0.11-4ubuntu2.6
      libjson0                        0.11-4ubuntu2.6
    Ubuntu 14.04 ESM:
      libjson-c2                      0.11-3ubuntu1.2+esm3
      libjson0                        0.11-3ubuntu1.2+esm3
    Ubuntu 12.04 ESM:
      libjson0                        0.9-1ubuntu1.4
    In general, a standard system update will make all the necessary changes.
    Package Information:


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