{"id":"UBUNTU-CVE-2026-82474","details":"Sudo through 1.9.17p2 fails to apply intercept policy checks to the execveat system call in ptrace-based intercept mode. Users permitted to run specific commands can execute denied programs by calling execveat directly or through fexecve, bypassing policy enforcement and logging.","modified":"2026-09-23T02:00:47.594857451Z","published":"2026-08-29T17:17:00Z","related":["USN-8803-1"],"upstream":["CVE-2026-82474"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-82474"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-82474"},{"type":"REPORT","url":"https://www.vulncheck.com/advisories/sudo-through-1.9-17p2-intercept-policy-bypass-via-execveat"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8803-1"}],"affected":[{"package":{"name":"sudo","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/sudo?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.15p5-3ubuntu5.24.04.3"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"libnss-sudo","binary_version":"1.9.15p5-3ubuntu5.24.04.3"},{"binary_version":"1.9.15p5-3ubuntu5.24.04.3","binary_name":"sudo"},{"binary_name":"sudo-ldap","binary_version":"1.9.15p5-3ubuntu5.24.04.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82474.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":"1.9.17p2-1ubuntu3.1"}]}],"versions":["1.9.17p2-1ubuntu1","1.9.17p2-1ubuntu2","1.9.17p2-1ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_name":"libnss-sudo","binary_version":"1.9.17p2-1ubuntu3.1"},{"binary_name":"sudo","binary_version":"1.9.17p2-1ubuntu3.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82474.json"}}],"schema_version":"1.9.0","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":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}