Linuxmint 18.3 · Version Status
Linuxmint 18.3 End of Life Date
Linuxmint 18.3 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
⚠
Linuxmint 18.3 is past end of life. This version no longer receives security patches. 1832 days past EOL — migrate to a supported version immediately.
EOL Date
May 3, 2021
1832 days past EOL
Latest Release
—
LTS release
Release Date
Nov 27, 2017
Linuxmint 18.3 series
| Version | Latest | EOL Date | Status |
|---|
| 18.1 |
— |
Apr 1, 2021 |
EOL |
| → 18.3 LTS |
— |
May 3, 2021 |
EOL |
| 19 LTS |
— |
Apr 1, 2023 |
EOL |
| 19.1 LTS |
— |
Apr 1, 2023 |
EOL |
| 19.2 LTS |
— |
Apr 1, 2023 |
EOL |
| 19.3 LTS |
— |
Apr 1, 2023 |
EOL |
| lmde4 |
— |
Aug 1, 2022 |
EOL |
| 20 LTS |
— |
Apr 30, 2025 |
EOL |
What does Linuxmint 18.3 end of life mean?
When Linuxmint 18.3 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 Linuxmint 18.3 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Linuxmint 22.3 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Linuxmint 18.3 reach end of life?
Linuxmint 18.3 reached end of life on May 3, 2021. This version is no longer receiving security patches.
Is Linuxmint 18.3 still supported?
No. Linuxmint 18.3 reached end of life on May 3, 2021 and is no longer receiving security patches.
What should I upgrade to from Linuxmint 18.3?
The recommended upgrade from Linuxmint 18.3 is
Linuxmint 22.3 — the latest actively supported version. Check the
Linuxmint full timeline for all supported versions.
What are the security risks of running Linuxmint 18.3 past EOL?
When Linuxmint 18.3 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 Linuxmint should migrate immediately or implement compensating controls.