RLSA-2026:2124

Synopsis

Important: osbuild-composer security update

Description

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):

* crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate (CVE-2025-61729)

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.

Affected products

Rocky Linux 8 aarch64 Rocky Linux 8 x86_64

Fixes

2418462

CVEs

CVE-2025-61729

Affected packages

Rocky Linux 8 aarch64 - AppStream

osbuild-composer-0:101.4-3.el8_10.rocky.0.6.aarch64.rpm osbuild-composer-0:101.4-3.el8_10.rocky.0.6.src.rpm osbuild-composer-core-0:101.4-3.el8_10.rocky.0.6.aarch64.rpm osbuild-composer-core-debuginfo-0:101.4-3.el8_10.rocky.0.6.aarch64.rpm osbuild-composer-debuginfo-0:101.4-3.el8_10.rocky.0.6.aarch64.rpm osbuild-composer-debugsource-0:101.4-3.el8_10.rocky.0.6.aarch64.rpm osbuild-composer-worker-0:101.4-3.el8_10.rocky.0.6.aarch64.rpm osbuild-composer-worker-debuginfo-0:101.4-3.el8_10.rocky.0.6.aarch64.rpm

Rocky Linux 8 x86_64 - AppStream

osbuild-composer-0:101.4-3.el8_10.rocky.0.6.src.rpm osbuild-composer-0:101.4-3.el8_10.rocky.0.6.x86_64.rpm osbuild-composer-core-0:101.4-3.el8_10.rocky.0.6.x86_64.rpm osbuild-composer-worker-0:101.4-3.el8_10.rocky.0.6.x86_64.rpm