Summary
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):
* net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)
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.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 10 | osbuild-composer | 149-6.el10_1.alma.3 |
| AlmaLinux · 10 | osbuild-composer-core | 149-6.el10_1.alma.3 |
| AlmaLinux · 10 | osbuild-composer-worker | 149-6.el10_1.alma.3 |
Vulnerabilities 1
-
High 7.5
Incorrect parsing of IPv6 host literals in net/url
url.Parse insufficiently validated the host/authority component and accepted some invalid URLs.