ALSA-2026:90424: Important: buildah security update
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):
podman: Arbitrary file write when importing OCI archive (CVE-2025-11395) golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted messages (CVE-2026-56855) net/http: golang: golang: Denial of Service via crafted HTTP Range headers (CVE-2026-78667) crypto/x509: golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate certificates (CVE-2026-111943)
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.
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
almalinux/buildahto a version that resolves this vulnerability.Fixed in 2:1.43.4-2.el9_8 - Upgrade
Upgrade
almalinux/buildah-teststo a version that resolves this vulnerability.Fixed in 2:1.43.4-2.el9_8