| Package | Affected versions | Patched versions |
|---|---|---|
| zabbix | ≥ 6.0.0, < 6.0.42≥ 7.0.0, < 7.0.19≥ 7.2.0, < 7.2.13≥ 7.4.0, < 7.4.3 | 6.0.427.0.197.2.137.4.3 |
For performance reasons Zabbix Server/Proxy reuses JavaScript (Duktape) contexts (used in script items, JavaScript reprocessing, Webhooks). This can lead to confidentiality loss where a regular (non-super) Zabbix administrator leaks data for hosts they do not have access to. A fix has been released that makes the built in Zabbix JavaScript objects read-only, but please be advised that usage of global JavaScript variables is not recommended because their content could be leaked. More information <a href='https://www.zabbix.com/documentation/7.4/en/manual/installation/known_issues#preprocessing-global-variables-are-unsafe'>in Zabbix documentation</a>.
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