Unrealircd 4 · Version Status
Unrealircd 4 End of Life Date
Unrealircd 4 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Unrealircd 4 is past end of life. This version no longer receives security patches. 1955 days past EOL — migrate to a supported version immediately.
EOL Date
Dec 31, 2020
1955 days past EOL
Latest Release
4.2.4.1
Standard release
Release Date
Dec 24, 2015
Unrealircd 4 series
| Version | Latest | EOL Date | Status |
| 3.2 |
3.2.10.7 |
Dec 31, 2016 |
EOL |
| → 4 |
4.2.4.1 |
Dec 31, 2020 |
EOL |
| 5 |
5.2.4 |
Jul 1, 2023 |
EOL |
| 6 |
6.2.4 |
EOL |
Active |
What does Unrealircd 4 end of life mean?
When Unrealircd 4 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Unrealircd 4 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Unrealircd 6 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Unrealircd 4 reach end of life?
Unrealircd 4 reached end of life on December 31, 2020. This version is no longer receiving security patches.
Is Unrealircd 4 still supported?
No. Unrealircd 4 reached end of life on December 31, 2020 and is no longer receiving security patches.
What should I upgrade to from Unrealircd 4?
The recommended upgrade from Unrealircd 4 is
Unrealircd 6 — the latest actively supported version. Check the
Unrealircd full timeline for all supported versions.
What are the security risks of running Unrealircd 4 past EOL?
When Unrealircd 4 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Unrealircd should migrate immediately or implement compensating controls.