{"id":"CVE-2019-5544","aliases":[],"url":"https://o3.security/vulnerability/CVE-2019-5544","summary":"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…","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.","published":"2019-12-06T16:15:11.467","modified":"2026-06-17T02:37:52.780","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.96823,"percentile":0.99883,"asOf":"2026-08-24"},"cisaKev":{"dateAdded":"2021-11-03","dueDate":"2022-05-03","knownRansomwareCampaignUse":true},"exploitsKnown":5,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2019/12/10/2"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2019/12/11/2"},{"type":"FIX","url":"http://www.vmware.com/security/advisories/VMSA-2019-0022.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:4240"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2020:0199"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DA3LYAJ2NRKMOZLZOQNDJ5TNQRFMWGHF/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZPXXJZLPLAQULBCJVI5NNWZ3PGWXGXWG/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202005-12"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2019/12/10/2"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2019/12/11/2"},{"type":"FIX","url":"http://www.vmware.com/security/advisories/VMSA-2019-0022.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:4240"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2020:0199"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DA3LYAJ2NRKMOZLZOQNDJ5TNQRFMWGHF/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZPXXJZLPLAQULBCJVI5NNWZ3PGWXGXWG/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202005-12"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-5544"}],"provenance":{"sources":["OSV.dev","NVD","CISA KEV","FIRST.org (EPSS)"],"lastVerified":"2026-06-17T02:37:52.780"}}