RHSA-2025:16455 - Security Advisory

Topic

An update for Openshift Jenkins is now available for Red Hat Product OCP Tools 4.18. Red Hat Product Security has rated this update as having a security impact of important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Jenkins is a continuous integration server that monitors executions of repeated jobs, such as building a software project or jobs run by cron.

Security Fix(es):

• jenkins: HTTP/2 (including DNS over HTTPS) contains a design flaw and is

vulnerable to "MadeYouReset" DoS attack through HTTP/2 control frames
(CVE-2025-5115)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258

Affected Products

• OpenShift Developer Tools and Services 4.18 x86_64
• OpenShift Developer Tools and Services 4.18 s390x
• OpenShift Developer Tools and Services 4.18 ppc64le
• OpenShift Developer Tools and Services 4.18 aarch64

Fixes

• BZ - 2373310 - CVE-2025-5115 jetty: HTTP/2 (including DNS over HTTPS) contains a design flaw and is vulnerable to "MadeYouReset" DoS attack through HTTP/2 control frames

CVEs

• CVE-2025-5115

References

• https://access.redhat.com/security/updates/classification/#important