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JDK 27.0.1.0.3 Release Notes

Release Date: 2026-10-24

The full version string for this update release is 27.0.1.0.3+1 (where “+” means “build”).

OpenJDK 27.0.1.0.3 contains IANA time zone data 2026e

Keeping your Java Runtime up to Date

Oracle recommends that the Java Runtime be updated with each Critical Patch Update. In order to determine if a release is the latest, the Security Baseline page can be used to determine which is the latest version for each release family. It is not recommended that this version (27.0.1.0.3) be used after the next critical patch update scheduled for 2026-11-17.

Notes

Removal of eMudhra and Comodo (owned by Sectigo) AAA Root Certificates (JDK-8395690 (not public))

security-libs/java.security

The following root certificates have been removed from the JDK cacerts keystore:

+ alias name "emsigneccrootcag3 [jdk]"
  Distinguished Name: CN=emSign ECC Root CA - G3, O=eMudhra Technologies Limited, OU=emSign PKI, C=IN
+ alias name "emsignrootcag1 [jdk]"
  Distinguished Name: CN=emSign Root CA - G1, O=eMudhra Technologies Limited, OU=emSign PKI, C=IN
+ alias name "emsignrootcag2 [jdk]"
  Distinguished Name: CN=emSign Root CA - G2, O=eMudhra Technologies Limited, OU=emSign PKI, C=IN
+ alias name "comodoaaaca [jdk]"
  Distinguished Name: CN=AAA Certificate Services, O=Comodo CA Limited, L=Salford, ST=Greater Manchester, C=GB