# PVSCSI heap-overflow vulnerability

CVE record · `CVE-2025-41238`

- **Identifiers:** `CVE-2025-41238`
- **State:** Confirmed
- **Severity:** CVSS 9.3 Critical
- **Critical:** Yes: CVSS 9+
- **CNA:** vmware
- **Weakness (CWE):** [CWE-787](https://cwe.mitre.org/data/definitions/787.html)
- **Tags:** [Memory corruption](https://agentprime.io/advisories/tag/memory-corruption.md)
- **Technologies:** [VMware ESXi](https://agentprime.io/advisories/technology/vmware-esxi.md) · [VMware Cloud Foundation](https://agentprime.io/advisories/technology/vmware-cloud-foundation.md) · [VMware Workstation](https://agentprime.io/advisories/technology/vmware-workstation.md) · [VMware Fusion](https://agentprime.io/advisories/technology/vmware-fusion.md) · [VMware Telco Cloud Platform](https://agentprime.io/advisories/technology/vmware-telco-cloud-platform.md) · [VMware Telco Cloud Infrastructure](https://agentprime.io/advisories/technology/vmware-telco-cloud-infrastructure.md)
- **Published:** 15 Jul 2025
- **Updated:** 26 Feb 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: vmware) at 15 Jul 2025, 18:34 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Critical

Critical, because:

- CVSS score 9.3: 9.0 or more.

How we decide what’s critical: <https://agentprime.io/advisories/critical.md>

## Affected products, as the CNA wrote them

- Vendor: VMware. Product: ESXi.
  - affected: `8.0 to before ESXi80U3f-24784735` (custom)
  - affected: `8.0 to before ESXi80U2e-24789317` (custom)
  - affected: `7.0 to before ESXi70U3w-24784741` (custom)
  - Other versions: unaffected
- Vendor: VMware. Product: Cloud Foundation.
  - affected: `5.x, 4.5.x`
  - Other versions: unaffected
- Vendor: VMware. Product: Workstation.
  - affected: `17.x to before 17.6.4` (custom)
  - Other versions: unaffected
- Vendor: VMware. Product: Fusion.
  - affected: `13.x to before 13.6.4` (custom)
  - Other versions: unaffected
- Vendor: VMware. Product: Telco Cloud Platform.
  - affected: `5.x, 4.x, 3.x, 2.x` (custom)
  - Other versions: unaffected
- Vendor: VMware. Product: Telco Cloud Infrastructure.
  - affected: `3.x, 2.x`
  - Other versions: unaffected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 9.3 Critical, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`, from CNA (vmware)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0046, the 40th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 15 Jul 2025. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2025-41238](https://www.cve.org/CVERecord?id=CVE-2025-41238)
- [NVD: CVE-2025-41238](https://nvd.nist.gov/vuln/detail/CVE-2025-41238)

### References from the CNA

- <https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/35877>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2025-41238>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2025-41238/>. Everything for agents: <https://agentprime.io/llms.txt>.