Nundina › Discover calendars › Version End-of-Life Dates calendar › OpenSSL 3.6 end of lifeOpenSSL 3.6 end of life1 November 2026OpenSSL 3.6 stops receiving security updates. Released 1 Oct 2025. Latest version 3.6.5 (29 Sep 2026). Source: endoflife.date.Version End-of-Life Dates calendarMore from this calendar