{"id":"UBUNTU-CVE-2019-5544","details":"OpenSLP as used in ESXi and the Horizon DaaS appliances has a heap overwrite issue. VMware has evaluated the severity of this issue to be in the Critical severity range with a maximum CVSSv3 base score of 9.8.","modified":"2026-04-22T11:58:23.245135Z","published":"2019-12-06T05:00:00Z","related":["USN-4919-1"],"upstream":["CVE-2019-5544"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-5544"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2019/12/06/1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4919-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-5544"},{"type":"REPORT","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog"}],"affected":[{"package":{"name":"openslp-dfsg","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/openslp-dfsg@1.2.1-9ubuntu0.3+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.1-9ubuntu0.3+esm1"}]}],"versions":["1.2.1-9","1.2.1-9ubuntu0.2","1.2.1-9ubuntu0.3"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"libslp1","binary_version":"1.2.1-9ubuntu0.3+esm1"},{"binary_name":"slpd","binary_version":"1.2.1-9ubuntu0.3+esm1"},{"binary_name":"slptool","binary_version":"1.2.1-9ubuntu0.3+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-5544.json"}},{"package":{"name":"openslp-dfsg","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/openslp-dfsg@1.2.1-11ubuntu0.16.04.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.1-11ubuntu0.16.04.2"}]}],"versions":["1.2.1-10ubuntu1","1.2.1-11","1.2.1-11ubuntu0.16.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libslp1","binary_version":"1.2.1-11ubuntu0.16.04.2"},{"binary_name":"slpd","binary_version":"1.2.1-11ubuntu0.16.04.2"},{"binary_name":"slptool","binary_version":"1.2.1-11ubuntu0.16.04.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-5544.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"}]}