CVE-2022-24751
Description
Zulip is an open source group chat application. Starting with version 4.0 and prior to version 4.11, Zulip is vulnerable to a race condition during account deactivation, where a simultaneous access by the user being deactivated may, in rare cases, allow continued access by the deactivated user. A patch is available in version 4.11 on the 4.x branch and version 5.0-rc1 on the 5.x branch. Upgrading to a fixed version will, as a side effect, deactivate any cached sessions that may have been leaked through this bug. There are currently no known workarounds.
How to fix
- zulip zulip4.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zulip zulip | 4.0 ≤ v < 4.11 | 4.11 |
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