CVE-2022-22780
Zoom Chat Susceptible to Zip Bombing
- Published
- Updated
- Reserved
- Assigned by
- Zoom
Description
The Zoom Client for Meetings chat functionality was susceptible to Zip bombing attacks in the following product versions: Android before version 5.8.6, iOS before version 5.9.0, Linux before version 5.8.6, macOS before version 5.7.3, and Windows before version 5.6.3. This could lead to availability issues on the client host by exhausting system resources.
Timeline
ID reserved
By Zoom
- 33 days later
· 33 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ZoomCNA (assigner) | 3.1 | Medium4.7 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:L |
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.7% · top 23% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.
Weakness
- Allocation of Resources Without Limits or Throttling
- CWE-400 (opens in a new tab)All about CWE-400 and its CVEs
Affected products
Zoom Video Communications Inc · Zoom Client for Meetings for Android
- affected unspecified – < 5.8.6
Zoom Video Communications Inc · Zoom Client for Meetings for iOS
- affected unspecified – < 5.9.0
Zoom Video Communications Inc · Zoom Client for Meetings for Linux
- affected unspecified – < 5.8.6
Zoom Video Communications Inc · Zoom Client for Meetings for macOS
- affected unspecified – < 5.7.3
Zoom Video Communications Inc · Zoom Client for Meetings for Windows
- affected unspecified – < 5.6.3
References (1)
- https://explore.zoom.us/en/trust/security/security-bulletin (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-22780)Record last updated .