{"id":"UBUNTU-CVE-2022-31291","details":"An issue in dlt_config_file_parser.c of dlt-daemon v2.18.8 allows attackers to cause a double free via crafted TCP packets.","modified":"2026-05-20T16:08:05.017905776Z","published":"2022-06-16T16:15:00Z","upstream":["CVE-2022-31291"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-31291"},{"type":"REPORT","url":"https://github.com/COVESA/dlt-daemon/pull/376"},{"type":"REPORT","url":"https://github.com/COVESA/dlt-daemon/commit/6a3bd901d825c7206797e36ea98e10a218f5aad2"},{"type":"REPORT","url":"https://github.com/COVESA/dlt-daemon/pull/376/commits"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-31291"}],"affected":[{"package":{"name":"dlt-daemon","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/dlt-daemon?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.18.4-0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"dlt-daemon","binary_version":"2.18.4-0.1"},{"binary_name":"dlt-tools","binary_version":"2.18.4-0.1"},{"binary_name":"libdlt-examples","binary_version":"2.18.4-0.1"},{"binary_name":"libdlt2","binary_version":"2.18.4-0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-31291.json"}},{"package":{"name":"dlt-daemon","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/dlt-daemon?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.18.6-2"],"ecosystem_specific":{"binaries":[{"binary_name":"dlt-daemon","binary_version":"2.18.6-2"},{"binary_name":"dlt-tools","binary_version":"2.18.6-2"},{"binary_name":"libdlt-examples","binary_version":"2.18.6-2"},{"binary_name":"libdlt2","binary_version":"2.18.6-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-31291.json"}},{"package":{"name":"dlt-daemon","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/dlt-daemon?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.18.10-5","2.18.10-7","2.18.10-9","2.18.10-10"],"ecosystem_specific":{"binaries":[{"binary_name":"dlt-daemon","binary_version":"2.18.10-10"},{"binary_name":"dlt-tools","binary_version":"2.18.10-10"},{"binary_name":"libdlt-examples","binary_version":"2.18.10-10"},{"binary_name":"libdlt2","binary_version":"2.18.10-10"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-31291.json"}},{"package":{"name":"dlt-daemon","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/dlt-daemon?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.18.10-10","2.18.10-12"],"ecosystem_specific":{"binaries":[{"binary_name":"dlt-daemon","binary_version":"2.18.10-12"},{"binary_name":"dlt-tools","binary_version":"2.18.10-12"},{"binary_name":"libdlt-examples","binary_version":"2.18.10-12"},{"binary_name":"libdlt2","binary_version":"2.18.10-12"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-31291.json"}},{"package":{"name":"dlt-daemon","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/dlt-daemon?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.18.10-12","2.18.10-12.1","2.18.10-13","3.0.0-4"],"ecosystem_specific":{"binaries":[{"binary_name":"dlt-daemon","binary_version":"3.0.0-4"},{"binary_name":"dlt-tools","binary_version":"3.0.0-4"},{"binary_name":"libdlt-examples","binary_version":"3.0.0-4"},{"binary_name":"libdlt3","binary_version":"3.0.0-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-31291.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:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}