{"id":"ALSA-2026:28074","summary":"Important: skopeo security update","details":"The skopeo command lets you inspect images from container image registries, get images and image layers, and use signatures to create and verify files.   \n\nSecurity Fix(es):  \n\n  * crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation (CVE-2026-32281)\n  * crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283)\n  * crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280)\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":"2026-06-23T15:29:23.683237840Z","published":"2026-06-23T00:00:00Z","related":["CVE-2026-32280","CVE-2026-32281","CVE-2026-32283"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:28074"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-32280"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-32281"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-32283"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2456333"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2456338"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2456339"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-28074.html"}],"affected":[{"package":{"name":"skopeo","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/skopeo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.22.2-6.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:28074.json"}},{"package":{"name":"skopeo-tests","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/skopeo-tests"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.22.2-6.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:28074.json"}}],"schema_version":"1.7.5"}