[USN-6667-1] Cpanel-JSON-XS vulnerability

Marc Deslauriers marc.deslauriers at canonical.com
Wed Feb 28 15:10:13 UTC 2024

Ubuntu Security Notice USN-6667-1
February 28, 2024

libcpanel-json-xs-perl vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS


Cpanel-JSON-XS could be made to crash or expose information if it
processed specially crafted data.

Software Description:
- libcpanel-json-xs-perl: module for fast and correct serialising to JSON


It was discovered that Cpanel-JSON-XS incorrectly decoded certain data. A
remote attacker could use this issue to cause Cpanel-JSON-XS to crash,
resulting in a denial of service, or possibly obtain sensitive information.

Update instructions:

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

Ubuntu 22.04 LTS:
   libcpanel-json-xs-perl          4.27-1ubuntu0.1

Ubuntu 20.04 LTS:
   libcpanel-json-xs-perl          4.19-1ubuntu0.1

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


Package Information:

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