{"id":"ALSA-2026:90424","summary":"Important: buildah security update","details":"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.   \n\nSecurity Fix(es):  \n\n  * podman: Arbitrary file write when importing OCI archive (CVE-2025-11395)\n  * golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted messages (CVE-2026-56855)\n  * net/[http:](http:) golang: golang: Denial of Service via crafted HTTP Range headers (CVE-2026-78667)\n  * crypto/x509: golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate certificates (CVE-2026-111943)\n\n\nFor 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.\n","modified":"2026-10-27T01:42:01.397741692Z","published":"2026-10-26T00:00:00Z","related":["CVE-2025-11395","CVE-2026-111943","CVE-2026-56855","CVE-2026-78667"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:90424"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-11395"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-111943"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-56855"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-78667"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2528050"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2548334"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2556068"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-90424.html"}],"affected":[{"package":{"name":"buildah","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/buildah"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.43.4-2.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:90424.json"}},{"package":{"name":"buildah-tests","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/buildah-tests"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.43.4-2.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:90424.json"}}],"schema_version":"1.9.0"}