RLSA-2026:0927

The java-17-openjdk packages provide the OpenJDK 17 Java Runtime Environment and the OpenJDK 17 Java Software Development Kit.

Security Fix(es):

• JDK: Improve JMX connections (CVE-2026-21925)

• JDK: Improve HttpServer Request handling (CVE-2026-21933)

• JDK: Enhance Certificate Checking (CVE-2026-21945)

• libpng: LIBPNG buffer overflow (CVE-2025-64720)

• libpng: LIBPNG heap buffer overflow (CVE-2025-65018)

Bug Fix(es):

• When using a P11SecretKey for both signing and encryption in FIPS mode, the FIPS PKCS11 provider would fail with a CKRATTRIBUTEVALUEINVALID error. This was due to the default configuration not applying the CKAENCRYPT=true attribute to the key. The configuration in this release is updated to include this attribute. (Rocky Linux-142862, Rocky Linux-142881, Rocky Linux-142882, Rocky Linux-142883, Rocky Linux-142884, Rocky Linux-142885, Rocky Linux-142886, Rocky Linux-142887, Rocky Linux-142888)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.