USN-4360-4: json-c vulnerability

28 May 2020

json-c could be made to execute arbitrary code if it received a specially crafted JSON file.

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Releases

Packages

  • json-c - JSON manipulation library

Details

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.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 20.04
Ubuntu 19.10
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04
Ubuntu 12.04

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

References

Related notices

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