Jenkins is an open source automation server which enables developers around
the world to reliably build, test, and deploy their software. The following
releases contain fixes for security vulnerabilities:

• Azure PublisherSettings Credentials Plugin 1.5
• GitLab Plugin 1.5.12
• jira-ext Plugin 0.9
• ontrack Jenkins Plugin 3.4.1

Additionally, these plugin have security vulnerabilities that have been made
public, but have no releases containing a fix yet:

• XebiaLabs XL Deploy Plugin

Summaries of the vulnerabilities are below. More details, severity, and
attribution can be found here:
https://jenkins.io/security/advisory/2019-04-17/