{"id":"ALSA-2022:7955","summary":"Moderate: skopeo security and bug fix 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* containers/storage: DoS via malicious image (CVE-2021-20291)\n* golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents (CVE-2021-33198)\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\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.","modified":"2026-01-30T02:29:16.164640Z","published":"2022-11-15T00:00:00Z","related":["CVE-2021-20291","CVE-2021-33198"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2022:7955"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-20291"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-33198"},{"type":"REPORT","url":"https://bugzilla.redhat.com/1939485"},{"type":"REPORT","url":"https://bugzilla.redhat.com/1989575"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2022-7955.html"}],"affected":[{"package":{"name":"skopeo","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/skopeo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.9.2-1.el9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2022:7955.json"}},{"package":{"name":"skopeo-tests","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/skopeo-tests"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.9.2-1.el9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2022:7955.json"}}],"schema_version":"1.7.3"}