Out-of-bounds read vulnerability
Summary
VMware ESX, Workstation, and Fusion contain an out-of-bounds read vulnerability. A malicious actor with VM deployment privileges could trigger an out-of-bounds read, potentially leading to information disclosure or more likely a Denial-of-Service (DoS) condition of the host process. On Workstation and Fusion, the impact of this vulnerability is restricted to information disclosure. Affected products named by the advisory: Cloud Foundation; vSphere Foundation; Telco Cloud Platform.
- Cloud Foundation 9.1.x.x
- Cloud Foundation 9.0.x.x
- Cloud Foundation 5.x before 5.2.3
- vSphere Foundation 9.1.x.x
- vSphere Foundation 9.0.x.x
- ESX 9.1.x.x before ESXi-9.1.0.0-25370933
- ESX 9.0.x.x before ESXi-9.0.2.0100-25595025
- ESX 8.0 before ESXi80U3i-25205845
- Workstation 25H2 before 26H1
- Fusion 25H2 before 26H1
- Telco Cloud Platform 5.1.x
- Telco Cloud Platform 5.0.x
Official advisory · high-confidence parse· fetched 3 hours ago·verify at source
- 5.2.3
- ESXi-9.1.0.0-25370933
- ESXi-9.0.2.0100-25595025
- ESXi80U3i-25205845
- 26H1
Official advisory · high-confidence parse· fetched 3 hours ago·verify at source
Mitigation
Upgrade to a fixed release: 5.2.3, ESXi-9.1.0.0-25370933, ESXi-9.0.2.0100-25595025, ESXi80U3i-25205845, 26H1. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 3 hours ago·verify at source
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