RLSA-2026:29195

RLSA-2026:29195 · Important: buildah security update

This page contains facts from public vulnerability sources. Check the original advisory before updating.

The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a working container, either from scratch or using an image as a starting point; Create an image, either from a working container or using the instructions in a Dockerfile; Build both Docker and OCI images. Security Fix(es): * net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679) * crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation (CVE-2026-32281) * crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283) * crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280) 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.

CVSS 7.5 · High · Fix available

Published

2026-06-26T12:05:00.179765Z

Updated

2026-06-26T12:16:18.169249665Z

Stack: system

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