Heap-based buffer overflow in Zoom Clients
Priority LOW 36CWE-122Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.
Summary
Buffer overflow in Zoom Clients before 5.14.5 may allow an unauthenticated user to enable a denial of service via network access.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01549 75th percentileScored 2026-11-07
Fix Fixed Zoom Clients (Zoom Video Communications, Inc.): 5.14.5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Zoom Video Communications, Inc. | Zoom Clients | before 5.14.5 | 5.14.5 | Patch available | CNA |
- Zoom Clients VendorZoom Video Communications, Inc. Affected before 5.14.5 Fixed in 5.14.5 Patch available CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:zoom:rooms:*:*:*:*:*:android:*:* | before 5.14.5 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:rooms:*:*:*:*:*:ipad_os:*:* | before 5.14.5 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:rooms:*:*:*:*:*:macos:*:* | before 5.14.5 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:rooms:*:*:*:*:*:windows:*:* | before 5.14.5 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:virtual_desktop_infrastructure:*:*:*:*:*:*:*:* | before 5.14.5 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:zoom:*:*:*:*:*:android:*:* | before 5.14.5 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:zoom:*:*:*:*:*:iphone_os:*:* | before 5.14.5 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:zoom:*:*:*:*:*:linux:*:* | before 5.14.5 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:zoom:*:*:*:*:*:macos:*:* | before 5.14.5 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:zoom:*:*:*:*:*:windows:*:* | before 5.14.5 | Vulnerable | Zoom Video Communications, Inc. |
- cpe:2.3:a:zoom:rooms:*:*:*:*:*:android:*:* Versions before 5.14.5 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:rooms:*:*:*:*:*:ipad_os:*:* Versions before 5.14.5 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:rooms:*:*:*:*:*:macos:*:* Versions before 5.14.5 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:rooms:*:*:*:*:*:windows:*:* Versions before 5.14.5 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:virtual_desktop_infrastructure:*:*:*:*:*:*:*:* Versions before 5.14.5 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:zoom:*:*:*:*:*:android:*:* Versions before 5.14.5 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:zoom:*:*:*:*:*:iphone_os:*:* Versions before 5.14.5 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:zoom:*:*:*:*:*:linux:*:* Versions before 5.14.5 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:zoom:*:*:*:*:*:macos:*:* Versions before 5.14.5 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:zoom:*:*:*:*:*:windows:*:* Versions before 5.14.5 Vulnerable ·Zoom Video Communications, Inc.
Remediation
- Fix · CNA Zoom Clients (Zoom Video Communications, Inc.) Fixed in 5.14.5
Timeline
- 2026-10-02 Threatist record created from CVE-2023-36532
- 2026-10-03 Alias added: GHSA-2hvw-r4rp-mjpp
References
More Zoom Video Communications, Inc. Rooms vulnerabilities
- TI-2024-16222 Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for… CVSS 3.1CRITICAL 9.8
- TI-2025-31505 Zoom Clients for Windows - Untrusted Search Path CVSS 3.1CRITICAL 9.6
- TI-2022-07035 Update package downgrade in Zoom Client for Meetings for Windows CVSS 3.1HIGH 8.8
- TI-2024-30470 Zoom Apps - Buffer Overflow CVSS 3.1HIGH 8.8
- TI-2022-17145 Local Privilege Escalation in Zoom Rooms for Windows Installers CVSS 3.1HIGH 8.8
- TI-2025-20275 Zoom Apps - Heap-based Buffer Overflow CVSS 3.1HIGH 8.8
Sources
- CVE-2023-36532 · CVE Program
- CVE-2023-36532 · NVD
- FIRST EPSS
- GHSA-2hvw-r4rp-mjpp · GitHub Advisory Database · CC BY 4.0
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