{"id":"USN-4881-1","summary":"containerd vulnerability","details":"It was discovered that containerd incorrectly handled certain environment\nvariables. Contrary to expectations, a container could receive environment\nvariables defined for a different container, possibly containing sensitive\ninformation.\n","modified":"2026-02-10T04:42:06Z","published":"2021-03-17T12:59:01Z","related":["UBUNTU-CVE-2021-21334"],"upstream":["CVE-2021-21334","UBUNTU-CVE-2021-21334"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4881-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-21334"}],"affected":[{"package":{"name":"containerd","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/containerd@1.3.3-0ubuntu2.3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3-0ubuntu2.3"}]}],"versions":["1.2.10-0ubuntu1","1.3.2-0ubuntu1","1.3.3-0ubuntu1","1.3.3-0ubuntu2","1.3.3-0ubuntu2.1","1.3.3-0ubuntu2.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.3.3-0ubuntu2.3","binary_name":"containerd"},{"binary_version":"1.3.3-0ubuntu2.3","binary_name":"golang-github-docker-containerd-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4881-1.json","cves_map":{"cves":[{"id":"CVE-2021-21334","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}}],"schema_version":"1.7.3"}