What is the severity of USN-7368-1?

The severity of USN-7368-1 is classified as a denial of service risk due to improper handling of recursive entity references in SnakeYAML.

How do I fix USN-7368-1?

To fix USN-7368-1, update to the appropriate version of the libyaml-snake-java package as specified in the advisory for your Ubuntu version.

Which versions of Ubuntu are affected by USN-7368-1?

USN-7368-1 affects Ubuntu versions 20.04, 18.04, 16.04, and 14.04.

What is the impact of the vulnerability described in USN-7368-1?

The impact of the vulnerability in USN-7368-1 is that an attacker could potentially crash SnakeYAML, leading to a denial of service.

Is there a known exploit for USN-7368-1?

As of now, there is no specific known exploit for USN-7368-1, but the vulnerability poses a risk that could be leveraged by attackers.

Vulnerability/
USN-7368-1

27/3/2025

USN-7368-1: SnakeYAML vulnerability

First published: Thu Mar 27 2025(Updated: )

It was discovered that SnakeYAML incorrectly handled recursive entity references. An attacker could possibly use this issue to cause SnakeYAML to crash, resulting in a denial of service.

Affected Software	Affected Version	How to fix
All of
ubuntu/libyaml-snake-java	<1.25+ds-2ubuntu0.1+esm1	1.25+ds-2ubuntu0.1+esm1
Ubuntu	=20.04
All of
ubuntu/libyaml-snake-java	<1.23-1+deb10u1ubuntu0.1~esm1	1.23-1+deb10u1ubuntu0.1~esm1
Ubuntu	=18.04
All of
ubuntu/libyaml-snake-java	<1.12-2ubuntu0.16.04.1~esm2	1.12-2ubuntu0.16.04.1~esm2
Ubuntu	=16.04
All of
ubuntu/libyaml-snake-java	<1.12-2ubuntu0.14.04.1~esm2	1.12-2ubuntu0.14.04.1~esm2
Ubuntu	=14.04

Never miss a vulnerability like this again

Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2017-18640

Frequently Asked Questions

What is the severity of USN-7368-1?
The severity of USN-7368-1 is classified as a denial of service risk due to improper handling of recursive entity references in SnakeYAML.
How do I fix USN-7368-1?
To fix USN-7368-1, update to the appropriate version of the libyaml-snake-java package as specified in the advisory for your Ubuntu version.
Which versions of Ubuntu are affected by USN-7368-1?
USN-7368-1 affects Ubuntu versions 20.04, 18.04, 16.04, and 14.04.
What is the impact of the vulnerability described in USN-7368-1?
The impact of the vulnerability in USN-7368-1 is that an attacker could potentially crash SnakeYAML, leading to a denial of service.
Is there a known exploit for USN-7368-1?
As of now, there is no specific known exploit for USN-7368-1, but the vulnerability poses a risk that could be leveraged by attackers.

agent/references
agent/source
agent/type
agent/first-publish-date
agent/description
agent/title
agent/last-modified-date
agent/softwarecombine
agent/event
agent/tags
collector/usn
source/Ubuntu
agent/software-canonical-lookup
package-manager/ubuntu
vendor/ubuntu
canonical/ubuntu
version/ubuntu/20.04
version/ubuntu/18.04
version/ubuntu/16.04
version/ubuntu/14.04

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.