Red Hat alert RHSA-2025:4569-01 (osbuild-composer)

An update for osbuild-composer is now available for Red Hat Enterprise Linux
9.2 Update Services for SAP Solutions.

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.

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):

* golang-jwt/jwt: jwt-go allows excessive memory allocation during header
parsing (CVE-2025-30204)

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.

This content is licensed under the Creative Commons Attribution 4.0
International License (https://creativecommons.org/licenses/by/4.0/). If you
distribute this content, or a modified version of it, you must provide
attribution to Red Hat Inc. and provide a link to the original.

Original: https://access.redhat.com/security/data/csaf/v2/advisories/2025/rhsa-2025_4569.json