Issued at: 2026-10-23
Updated at: 2026-10-24
Advisory content derived from Red Hat RHSA-2026:88262, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: buildah security update
Description
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)
* net/http: golang: golang: Denial of Service via crafted HTTP Range headers (CVE-2026-78667)
* net/http: net/http/internal/http2: golang.org/x/net/http2: net/http: Denial of Service via excessive HTTP/2 SETTINGS frames (CVE-2026-78669)
* 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.