{"id":"UBUNTU-CVE-2024-0962","details":"A vulnerability was found in obgm libcoap 4.3.4. It has been rated as critical. Affected by this issue is the function get_split_entry of the file src/coap_oscore.c of the component Configuration File Handler. The manipulation leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. VDB-252206 is the identifier assigned to this vulnerability.","modified":"2026-05-20T16:16:22.225621972Z","published":"2024-01-27T13:15:00Z","upstream":["CVE-2024-0962"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-0962"},{"type":"REPORT","url":"https://github.com/obgm/libcoap/issues/1310"},{"type":"REPORT","url":"https://github.com/obgm/libcoap/issues/1310#issue-2099860835"},{"type":"REPORT","url":"https://github.com/obgm/libcoap/pull/1311"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2024-0962"}],"affected":[{"package":{"name":"libcoap","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libcoap?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.2-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcoap-1-0","binary_version":"4.1.2-1"},{"binary_name":"libcoap-1-0-bin","binary_version":"4.1.2-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-0962.json"}},{"package":{"name":"libcoap2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libcoap2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2.0-2","4.2.1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcoap2","binary_version":"4.2.1-1"},{"binary_name":"libcoap2-bin","binary_version":"4.2.1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-0962.json"}},{"package":{"name":"libcoap2","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libcoap2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2.1-1","4.2.1-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcoap2","binary_version":"4.2.1-1build1"},{"binary_name":"libcoap2-bin","binary_version":"4.2.1-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-0962.json"}},{"package":{"name":"libcoap3","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libcoap3?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.0-2","4.3.0-2build1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.3.0-2build1","binary_name":"libcoap3"},{"binary_version":"4.3.0-2build1","binary_name":"libcoap3-bin"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-0962.json"}},{"package":{"name":"libcoap3","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libcoap3?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.1-2","4.3.3-1","4.3.4-1","4.3.4-1.1build2","4.3.4-1.1build3","4.3.4-1.1build4"],"ecosystem_specific":{"binaries":[{"binary_version":"4.3.4-1.1build4","binary_name":"libcoap3-bin"},{"binary_version":"4.3.4-1.1build4","binary_name":"libcoap3t64"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-0962.json"}},{"package":{"name":"libcoap3","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/libcoap3?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.4-1.1build4"],"ecosystem_specific":{"binaries":[{"binary_name":"libcoap3-bin","binary_version":"4.3.4-1.1build4"},{"binary_version":"4.3.4-1.1build4","binary_name":"libcoap3t64"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-0962.json"}},{"package":{"name":"libcoap3","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libcoap3?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.4-1.1build4","4.3.5-1","4.3.5-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libcoap3-bin","binary_version":"4.3.5-2"},{"binary_name":"libcoap3t64","binary_version":"4.3.5-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-0962.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L"},{"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"}]}