{"id":"UBUNTU-CVE-2022-48620","details":"uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number.","modified":"2026-05-20T16:08:22.480125266Z","published":"2024-01-12T04:15:00Z","upstream":["CVE-2022-48620"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-48620"},{"type":"REPORT","url":"https://github.com/troglobit/libuev/issues/27"},{"type":"REPORT","url":"https://github.com/troglobit/libuev/commit/2d9f1c9ce655cc38511aeeb6e95ac30914f7aec9"},{"type":"REPORT","url":"https://github.com/troglobit/libuev/compare/v2.4.0...v2.4.1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-48620"}],"affected":[{"package":{"name":"libuev","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libuev?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.1-1ubuntu2","2.4.0-1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libuev3","binary_version":"2.4.0-1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-48620.json"}},{"package":{"name":"libuev","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libuev?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.0-1.1","2.4.0-1.2","2.4.1-1","2.4.1-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.1-1build1","binary_name":"libuev3t64"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-48620.json"}},{"package":{"name":"libuev","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/libuev?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.1-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libuev3t64","binary_version":"2.4.1-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-48620.json"}},{"package":{"name":"libuev","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libuev?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.1-1build1","2.4.1-1build2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.1-1build2","binary_name":"libuev3t64"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-48620.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}