- Update to shenandoah-jdk8u512-b09 (8u512 GA, Oracle CPU 2026-10), built by merging jdk8u512-b09 into shenandoah8u512-b01 (clean merge); the shenandoah-jdk8u repository has not tagged 8u512 GA yet. - Drop jdk8186464-rh1433262-zip64_failure.patch, now upstream (JDK-8186464). - Security fixes from OpenJDK 8u512: - CVE-2026-83374: Security, enhance PKCS5 padding (JDK-8380715) - CVE-2026-83376: JSSE, enhance TLS certificate handling (JDK-8382178) - CVE-2026-83380: JAAS, enhance LDAP logins (JDK-8383047) - CVE-2026-83381: Security, enhance SASL authentication (JDK-8383076) - CVE-2026-83387: JDBC, enhance WebRowSets (JDK-8383301) - CVE-2026-83395: Networking, enhance HTTP client response handling (JDK-8383439) - CVE-2026-83400: JAXP, enhance XML processing (JDK-8384031) - CVE-2026-87290: JAXP, enhance XPath expressions (JDK-8383699) - CVE-2026-87292: Networking, enhance network clients (JDK-8383756) - CVE-2026-87293: RMI, enhance RMI connections (JDK-8383956) - CVE-2026-87294: Security, enhance certificate name checks (JDK-8383679) - CVE-2026-87367: JAXP, enhance template handling (JDK-8384654) - CVE-2026-91334: ImageIO, enhance JPEG loading (JDK-8384445) - CVE-2026-91335: AWT, enhance image handling (JDK-8384664) - CVE-2026-91373: JSSE, enhance TLS handshakes (JDK-8384771) - CVE-2026-91395: Utility, enhance Pack200 unpacking (JDK-8385219) - CVE-2026-91396: Utility, improve Pack200 handling (JDK-8385229) - CVE-2026-91397: Serviceability, enhance diagnostic sessions (JDK-8385249) - CVE-2026-91398: Networking, enhance SOCKS5 support (JDK-8385260) - CVE-2026-91400: Sound, enhance MIDI file handling (JDK-8385476) - CVE-2026-91410: Libraries, enhance zipfs - CVE-2026-91411: JGSS, enhance JGSS - CVE-2026-91415: 2D, enhance font rendering (JDK-8386187, JDK-8384781) - CVE-2026-91417: CORBA, enhance CORBA (JDK-8386175) - CVE-2026-91418: ImageIO, enhance GIF loading (JDK-8386552) - CVE-2026-91451: Networking, enhance HTTP server parsing (JDK-8386515) - CVE-2026-91452: Networking, enhance HTTP server (JDK-8386525) - CVE-2026-91453: Lightweight HTTP Server, improve HTTP headers (JDK-8386535) - CVE-2026-91461: JSSE, enhance TLS extensions (JDK-8386923) - CVE-2026-91462: JGSS, enhance krb5 tokens (JDK-8387152) - CVE-2026-91463: JGSS, enhance krb5 client (JDK-8387217) - CVE-2026-91464: JGSS, enhance Kerberos validation (JDK-8387238) - CVE-2026-101516: Libraries, enhance certificate constraint checking (JDK-8384021) - CVE-2026-91403: JSSE trusts impacted eMudhra intermediate CA certificates (JDK-8395142)