Amazon Corretto September 2026 Patch Updates Include Latest Time Zone Data

Amazon updated multiple Corretto OpenJDK versions with security patches and the latest 2026d time zone database revisions.

By Noah Ellis · Editorial pseudonym · 2026-09-28 · 1 min read

AI-ASSISTED REPORTING · RETROSPECTIVE ARCHIVE

Retrospective edition: 2026-09-28. Source published: 2026-09-28. Added to this archive: 2026-11-03. This briefing was prepared later from the linked announcement; it was not published on this website on the historical edition date.

On September 25, 2026, Amazon released patch updates for several Corretto versions (25.0.4.10.1, 21.0.12.11.1, 17.0.20.12.1, and 11.0.32.12.1), distributions of OpenJDK for production use. These patches incorporate the latest tzdata 2026d time zone updates to ensure accurate time calculations across systems.

Corretto’s multi-platform, no-cost OpenJDK builds receive regular maintenance updates like this to improve security and correctness. Availability spans support for numerous Linux package managers and direct downloads. These updates help prevent issues related to outdated time zone rules and maintain runtime stability.

Source & further reading

Amazon Corretto September 2026 Patch Updates ↗

Source published 2026-09-28. This report was prepared with AI assistance from the linked primary-source material. Claims and limitations should be checked against the original announcement or research.