Is Zabbix 6.4.21 patched?
Current stable (7.4.11): 100/100
Summary iPlain-English security status for Zabbix 6.4.21, built from its CVEs, active-exploitation data, end-of-life date and latest release.
Zabbix 6.4.21 is part of the 6.4 release line. No known vulnerabilities affect it in our data. The 6.4 line reached end-of-life on 2024-12-31, so it no longer receives security patches. The latest supported Zabbix release is 7.4.11.
Known issues affecting 6.4.21
None found for this version. ✓
Other Zabbix versions
Check another release line of Zabbix.
Frequently asked
Is Zabbix 6.4.21 patched?
Zabbix 6.4.21 is end-of-life and no longer receives security patches. Move to 7.4.11.
When does Zabbix 6.4 reach end-of-life?
Zabbix 6.4 reached end-of-life on 2024-12-31 and no longer receives security patches.
What is the latest version of Zabbix?
The latest supported Zabbix release is 7.4.11.
Is Zabbix 6.4.21 still receiving security updates?
No — Zabbix 6.4.21 is on the 6.4 line, which reached end-of-life on 2024-12-31 and no longer receives security updates. Upgrade to 7.4.11 or later to stay supported.
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Zabbix's official advisory before you patch or upgrade — Zabbix official site ↗