Home / mailings

PDF

[USN-7750-1] JSON-XS vulnerability

Posted on 15 September 2025
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-7750-1
September 15, 2025

libjson-xs-perl vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.04
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

JSON-XS could be made to crash if it parsed specially crafted JSON.

Software Description:
- libjson-xs-perl: module for manipulating JSON-formatted data

Details:

It was discovered that JSON-XS incorrectly handled parsing certain JSON
data. An attacker could possibly use this issue to cause JSON-XS to crash,
resulting in a denial of service.

Update instructions:

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

Ubuntu 25.04
libjson-xs-perl 4.040-0ubuntu0.25.04.1

Ubuntu 24.04 LTS
libjson-xs-perl 4.040-0ubuntu0.24.04.1

Ubuntu 22.04 LTS
libjson-xs-perl 4.040-0ubuntu0.22.04.1

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

References:
https://ubuntu.com/security/notices/USN-7750-1
CVE-2025-40928

Package Information:
https://launchpad.net/ubuntu/+source/libjson-xs-perl/4.040-0ubuntu0.25.04.1
https://launchpad.net/ubuntu/+source/libjson-xs-perl/4.040-0ubuntu0.24.04.1
https://launchpad.net/ubuntu/+source/libjson-xs-perl/4.040-0ubuntu0.22.04.1

--===============8685654752661688983==Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature

 

TOP