CVE-2023-39206 json
Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access.
published 2023-11-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-42940
- cvss
- 3.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
Summary
Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access.
Patch / fix
- zoom meetings 5.16.0
- zoom rooms 5.16.0
- zoom video_software_development_kit 1.9.0
- zoom virtual_desktop_infrastructure 5.14.13, 5.15.11
- zoom zoom 5.16.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.14% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Zoom Video Communications, Inc. Zoom Clients
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
explore.zoom.us
/en/trust/security/security-bulletin/
vendor-advisory
Sources
- CVE List CVE-2023-39206
- NVD CVE-2023-39206
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