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CVE-2019-5544VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Vulnerability
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.
9.8 CRITICALEPSS 98.12%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 9.8 | CRITICAL | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 7.5 | HIGH | 2.0NVD | AV:N/AC:L/Au:N/C:P/I:P/A:P |
CISA required action
⚡ Known exploited · remediation due May 3, 2022
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2019-5544
- Status
- Analyzed
- Assigner (CNA)
- vmware
- Published
- Dec 6, 2019
- Last modified
- 2026-06-17 02:37 UTC
- Weaknesses
Affected Products
As published by the CNA in the CVE record.
ESXi and Horizon DaaS1 version range
- ESXi 6.7 prior to patch release ESXi670-201912001, ESXi 6.5 prior to patch release ESXi650-201912001, ESXi 6.0 prior to patch release ESXi600-201912001 and Horizon DaaS 8.x prior to BZ-2467224-Disable_SLPD_service_permanently_801_Hotfix.
References
- openwall.com http://www.openwall.com/lists/oss-security/2019/12/10/2
- openwall.com http://www.openwall.com/lists/oss-security/2019/12/11/2
- vmware.com http://www.vmware.com/security/advisories/VMSA-2019-0022.html
- access.redhat.com https://access.redhat.com/errata/RHSA-2019:4240
- access.redhat.com https://access.redhat.com/errata/RHSA-2020:0199
- lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DA3LYAJ2NRKMOZLZOQNDJ5TNQRFMWGHF/
- lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZPXXJZLPLAQULBCJVI5NNWZ3PGWXGXWG/
- security.gentoo.org https://security.gentoo.org/glsa/202005-12
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-5544