#VU105772 Heap-based buffer overflow in Zoom Video Communications, Inc. products - CVE-2025-27440

Vulnerability identifier: #VU105772

Vulnerability risk: High

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-27440

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Zoom Workplace Desktop App for Windows
Client/Desktop applications / Office applications
Zoom Workplace Desktop App for macOS
Client/Desktop applications / Office applications
Zoom Workplace Desktop App for Linux
Client/Desktop applications / Office applications
Zoom Rooms Controller for Windows
Client/Desktop applications / Office applications
Zoom Rooms Controller for macOS
Client/Desktop applications / Office applications
Zoom Rooms Controller for Linux
Client/Desktop applications / Office applications
Zoom Rooms Client for Windows
Client/Desktop applications / Office applications
Zoom Rooms Client for macOS
Client/Desktop applications / Office applications
Zoom Workplace App for iOS
Mobile applications / Apps for mobile phones
Zoom Workplace App for Android
Mobile applications / Apps for mobile phones
Zoom Rooms Controller for Android
Mobile applications / Apps for mobile phones
Zoom Rooms Client for iPad
Mobile applications / Apps for mobile phones
Zoom Rooms Client for Android
Mobile applications / Apps for mobile phones
Virtual Desktop Infrastructure (VDI)
Server applications / Conferencing, Collaboration and VoIP solutions
Zoom Meeting SDK for Windows
Universal components / Libraries / Software for developers
Zoom Meeting SDK for iOS
Universal components / Libraries / Software for developers
Zoom Meeting SDK for Android
Universal components / Libraries / Software for developers
Zoom Meeting SDK for macOS
Universal components / Libraries / Software for developers
Zoom Meeting SDK for Linux
Universal components / Libraries / Software for developers

Vendor: Zoom Video Communications, Inc.

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker can trick the victim into performing certain actions within the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Zoom Workplace Desktop App for Windows: 0.9.10042.0911 - 6.2.11 50939

Zoom Workplace Desktop App for macOS: 4.6.9 19273.0402 - 6.2.11 43613

Zoom Workplace Desktop App for Linux: 5.1.418436.0628 - 6.2.11 5069

Zoom Workplace App for iOS: 4.6.10 20012.0407 - 6.2.11 20262

Zoom Workplace App for Android: 4.6.11 20553.0413 - 6.2.11 25893

Virtual Desktop Infrastructure (VDI): 6.1.0 - 6.1.15.25650, 6.2.10.25600 - 6.2.11.25670

Zoom Rooms Controller for Windows: 6.1.0 - 6.2.5

Zoom Rooms Controller for macOS: 6.1.0 - 6.2.10

Zoom Rooms Controller for Linux: 6.0.0 - 6.2.5

Zoom Rooms Controller for Android: 6.1.0 - 6.2.5

Zoom Rooms Client for Windows: 4.6.5 18374.0407 - 6.2.5

Zoom Rooms Client for macOS: 4.6.5 2040.0406 - 6.2.10

Zoom Rooms Client for iPad: 6.0.0 - 6.2.5

Zoom Meeting SDK for Windows: 5.9.0 - 6.2.11

Zoom Meeting SDK for iOS: 5.9.0 - 6.2.11

Zoom Meeting SDK for Android: 5.9.0 - 6.2.11

Zoom Meeting SDK for macOS: 5.9.0 - 6.2.11

Zoom Meeting SDK for Linux: 5.15.5 - 6.2.11

Zoom Rooms Client for Android: before 6.3.0

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External links
https://www.zoom.com/en/trust/security-bulletin/zsb-25011/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.