USN-4360-3: json-c regression

Publication date

15 May 2020

Overview

USN-4360-1 introduced a regression in json-c.


Packages

  • json-c - JSON manipulation library

Details

USN-4360-1 fixed a vulnerability in json-c. The security fix introduced
a memory leak in some scenarios. This update reverts the security fix
pending further investigation.

We apologize for the inconvenience.

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.

USN-4360-1 fixed a vulnerability in json-c. The security fix introduced
a memory leak in some scenarios. This update reverts the security fix
pending further investigation.

We apologize for the inconvenience.

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

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

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
14.04 trusty libjson-c2 –  0.11-3ubuntu1.2+esm2
libjson0 –  0.11-3ubuntu1.2+esm2
12.04 precise libjson0 –  0.9-1ubuntu1.3

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