USN-4360-1: json-c vulnerability

USN-4360-1: json-c vulnerability

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


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
Ubuntu 19.10
Ubuntu 18.04 LTS
Ubuntu 16.04 LTS
Ubuntu 14.04 ESM
libjson-c2 – 0.11-3ubuntu1.2+esm1
libjson0 – 0.11-3ubuntu1.2+esm1
Ubuntu 12.04 ESM
libjson0 – 0.9-1ubuntu1.2

To update your system, please follow these instructions:

In general, a standard system update will make all the necessary changes.


Source: USN-4360-1: json-c vulnerability

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