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critical9.8Known exploited

CVE-2019-5544

VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Vulnerability

Exploited in the wild

This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2021-11-03. Federal due date: 2022-05-03.

Apply updates per vendor instructions.

Impact

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.

Affected products

VendorProductAffected versions
VmwareHorizon Daas
from 8.0.0 before 9.0.0.0
VmwareEsxi
Versions 6.0, 6.5, 6.7
RedhatEnterprise Linux Desktop
Versions 6.0, 7.0
RedhatEnterprise Linux For Ibm Z Systems
Versions 6.0_s390x, 7.0_s390x
RedhatEnterprise Linux For Ibm Z Systems Eus
Version 7.7_s390x
RedhatEnterprise Linux For Power Big Endian
Versions 6.0_ppc64, 7.0_ppc64
RedhatEnterprise Linux For Power Big Endian Eus
Version 7.7_ppc64
RedhatEnterprise Linux For Power Little Endian
Version 7.0_ppc64le
RedhatEnterprise Linux For Power Little Endian Eus
Version 7.7_ppc64le
RedhatEnterprise Linux Server
Versions 6.0, 7.0
RedhatEnterprise Linux Server Aus
Version 7.7
RedhatEnterprise Linux Server Eus
Version 7.7

Weakness classification

References