RHSA-2025:19566: Moderate: osbuild-composer security update
A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building images for local usage, it can also upload images directly to cloud. It is compatible with composer-cli and cockpit-composer clients.Security Fix(es): go-jose: Go JOSE's Parsing Vulnerable to Denial of Service (CVE-2025-27144) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Other sources
Moderate: osbuild-composer security update
— Red Hat
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2025:19566?
The severity of RHSA-2025:19566 is rated as moderate.
How do I fix RHSA-2025:19566?
To fix RHSA-2025:19566, apply the latest security updates for the affected Red Hat Enterprise Linux versions.
Which systems are affected by RHSA-2025:19566?
RHSA-2025:19566 affects various versions of Red Hat Enterprise Linux across different architectures including IBM z Systems, Power, and ARM.
What is the purpose of the RHSA-2025:19566 update?
The purpose of the RHSA-2025:19566 update is to address security vulnerabilities found in osbuild-composer.
Is there a specific deadline for applying the RHSA-2025:19566 update?
There is no specific deadline mentioned for applying RHSA-2025:19566, but it is recommended to update as soon as possible to mitigate potential security risks.