CVE-2022-22780: Zoom Meetings

Medium severity, CVSS 6.5. EPSS: 1.7% chance of exploitation in the next 30 days.

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.

Affected products

  • Zoom Meetings: before 5.6.3 (fixed in 5.6.3); before 5.7.3 (fixed in 5.7.3); before 5.8.6 (fixed in 5.8.6); before 5.9.0 (fixed in 5.9.0)

Published 2022-02-09. Last modified 2026-06-17.