{"id":"UBUNTU-CVE-2022-39837","details":"An issue was discovered in Connected Vehicle Systems Alliance (COVESA) dlt-daemon through 2.18.8. Due to a faulty DLT file parser, a crafted DLT file that crashes the process can be created. This is due to missing validation checks. There is a NULL pointer dereference,","modified":"2026-04-22T13:27:37.040006Z","published":"2022-10-25T17:15:00Z","upstream":["CVE-2022-39837"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-39837"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-39837"},{"type":"REPORT","url":"https://github.com/COVESA/dlt-daemon/commit/855e0017a980d2990c16f7dbf3b4983b48fac272"}],"affected":[{"package":{"name":"dlt-daemon","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/dlt-daemon@2.18.4-0.1?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-2022-39837.json"}},{"package":{"name":"dlt-daemon","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/dlt-daemon@2.18.6-2?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-2022-39837.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}