RHSA-2020:4305MediumCVSS 5.3

Red Hat Security Advisory: java-11-openjdk security and bug fix update

Published
October 22, 2020
Last Modified
November 6, 2026

🔗 CVE IDs covered (7)

CVE-2020-14779 →CVE-2020-14781 →CVE-2020-14782 →CVE-2020-14792 →CVE-2020-14796 →CVE-2020-14797 →CVE-2020-14803 →

📋 Description

CVE-2020-14779 — OpenJDK: High memory usage during deserialization of Proxy class with many interfaces (Serialization, 8236862) CVE-2020-14781 — OpenJDK: Credentials sent over unencrypted LDAP connection (JNDI, 8237990) CVE-2020-14782 — OpenJDK: Certificate blacklist bypass via alternate certificate encodings (Libraries, 8237995) CVE-2020-14792 — OpenJDK: Integer overflow leading to out-of-bounds access (Hotspot, 8241114) CVE-2020-14796 — OpenJDK: Missing permission check in path to URI conversion (Libraries, 8242680) CVE-2020-14797 — OpenJDK: Incomplete check for invalid characters in URI to path conversion (Libraries, 8242685) CVE-2020-14803 — OpenJDK: Race condition in NIO Buffer boundary checks (Libraries, 8244136)

🎯 Affected products54

  • Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-1:11.0.9.11-0.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-1:11.0.9.11-0.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-1:11.0.9.11-0.el8_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-1:11.0.9.11-0.el8_2.src as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-1:11.0.9.11-0.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-debuginfo-1:11.0.9.11-0.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-debuginfo-1:11.0.9.11-0.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-debuginfo-1:11.0.9.11-0.el8_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-debuginfo-1:11.0.9.11-0.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-debugsource-1:11.0.9.11-0.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-debugsource-1:11.0.9.11-0.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-debugsource-1:11.0.9.11-0.el8_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-debugsource-1:11.0.9.11-0.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-demo-1:11.0.9.11-0.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-demo-1:11.0.9.11-0.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-demo-1:11.0.9.11-0.el8_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-demo-1:11.0.9.11-0.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-devel-1:11.0.9.11-0.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-devel-1:11.0.9.11-0.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-devel-1:11.0.9.11-0.el8_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-devel-1:11.0.9.11-0.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-devel-debuginfo-1:11.0.9.11-0.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-devel-debuginfo-1:11.0.9.11-0.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-devel-debuginfo-1:11.0.9.11-0.el8_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-devel-debuginfo-1:11.0.9.11-0.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-headless-1:11.0.9.11-0.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-headless-1:11.0.9.11-0.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-headless-1:11.0.9.11-0.el8_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • java-11-openjdk-headless-1:11.0.9.11-0.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • +24 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of OpenJDK Java must be restarted for this update to take effect.

🔗 References (12)