USN-4360-2: json-c regression

USN-4360-2: json-c regression

json-c regression

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

Summary

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

Software Description

  • 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.

Update instructions

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

Ubuntu 20.04 LTS
libjson-c40.13.1+dfsg-7ubuntu0.2
Ubuntu 19.10
libjson-c40.13.1+dfsg-4ubuntu0.2
Ubuntu 18.04 LTS
libjson-c30.12.1-1.3ubuntu0.2
Ubuntu 16.04 LTS
libjson-c20.11-4ubuntu2.5

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

Source: USN-4360-2: json-c regression

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