{"id":"USN-8895-1","summary":"sudo vulnerability","details":"It was discovered that Sudo did not properly handle time-based access\nrestrictions when sudoers rules used NOTBEFORE or NOTAFTER with\ntimestamps omitting the trailing timezone indicator. A local attacker\ncould possibly use this issue to execute commands outside the intended\ntime window by manipulating the TZ environment variable.","modified":"2026-10-08T12:58:02.692756797Z","published":"2026-10-07T13:12:22Z","related":["UBUNTU-CVE-2026-96512"],"upstream":["CVE-2026-96512","UBUNTU-CVE-2026-96512"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8895-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-96512"}],"affected":[{"package":{"name":"sudo","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/sudo?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.9-1ubuntu2.7"}]}],"versions":["1.9.5p2-3ubuntu2","1.9.9-1ubuntu2","1.9.9-1ubuntu2.1","1.9.9-1ubuntu2.2","1.9.9-1ubuntu2.3","1.9.9-1ubuntu2.4","1.9.9-1ubuntu2.5","1.9.9-1ubuntu2.6"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.9.9-1ubuntu2.7","binary_name":"sudo"},{"binary_version":"1.9.9-1ubuntu2.7","binary_name":"sudo-ldap"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-96512"}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8895-1.json"}},{"package":{"name":"sudo","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/sudo?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.15p5-3ubuntu5.24.04.4"}]}],"versions":["1.9.14p2-1ubuntu1","1.9.15p5-3ubuntu1","1.9.15p5-3ubuntu3","1.9.15p5-3ubuntu4","1.9.15p5-3ubuntu5","1.9.15p5-3ubuntu5.24.04.1","1.9.15p5-3ubuntu5.24.04.2","1.9.15p5-3ubuntu5.24.04.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.9.15p5-3ubuntu5.24.04.4","binary_name":"libnss-sudo"},{"binary_name":"sudo","binary_version":"1.9.15p5-3ubuntu5.24.04.4"},{"binary_name":"sudo-ldap","binary_version":"1.9.15p5-3ubuntu5.24.04.4"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2026-96512","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8895-1.json"}},{"package":{"name":"sudo","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/sudo?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.17p2-1ubuntu3.2"}]}],"versions":["1.9.17p2-1ubuntu1","1.9.17p2-1ubuntu2","1.9.17p2-1ubuntu3","1.9.17p2-1ubuntu3.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libnss-sudo","binary_version":"1.9.17p2-1ubuntu3.2"},{"binary_name":"sudo","binary_version":"1.9.17p2-1ubuntu3.2"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-96512","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:26.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8895-1.json"}}],"schema_version":"1.9.0"}