RHSA-2021:2784: Important: java-11-openjdk security update

Published Jul 21, 2021
·
Updated

The java-11-openjdk packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit.Security Fix(es): OpenJDK: Incorrect comparison during range check elimination (Hotspot, 8264066) (CVE-2021-2388) OpenJDK: FTP PASV command response can cause FtpClient to connect to arbitrary host (Networking, 8258432) (CVE-2021-2341) OpenJDK: Incorrect verification of JAR files with multiple MANIFEST.MF files (Library, 8260967) (CVE-2021-2369) 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.

Affected Software

30 affected componentsFixes available
redhat/java<11-openjdk-11.0.12.0.7-0.el7_9
11-openjdk-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-11.0.12.0.7-0.el7_9
11-openjdk-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-debuginfo-11.0.12.0.7-0.el7_9
11-openjdk-debuginfo-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-debuginfo-11.0.12.0.7-0.el7_9
11-openjdk-debuginfo-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-demo-11.0.12.0.7-0.el7_9
11-openjdk-demo-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-demo-11.0.12.0.7-0.el7_9
11-openjdk-demo-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-devel-11.0.12.0.7-0.el7_9
11-openjdk-devel-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-devel-11.0.12.0.7-0.el7_9
11-openjdk-devel-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-headless-11.0.12.0.7-0.el7_9
11-openjdk-headless-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-headless-11.0.12.0.7-0.el7_9
11-openjdk-headless-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-javadoc-11.0.12.0.7-0.el7_9
11-openjdk-javadoc-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-javadoc-11.0.12.0.7-0.el7_9
11-openjdk-javadoc-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-javadoc-zip-11.0.12.0.7-0.el7_9
11-openjdk-javadoc-zip-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-javadoc-zip-11.0.12.0.7-0.el7_9
11-openjdk-javadoc-zip-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-jmods-11.0.12.0.7-0.el7_9
11-openjdk-jmods-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-jmods-11.0.12.0.7-0.el7_9
11-openjdk-jmods-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-src-11.0.12.0.7-0.el7_9
11-openjdk-src-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-src-11.0.12.0.7-0.el7_9
11-openjdk-src-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-static-libs-11.0.12.0.7-0.el7_9
11-openjdk-static-libs-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-static-libs-11.0.12.0.7-0.el7_9
11-openjdk-static-libs-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-11.0.12.0.7-0.el7_9
11-openjdk-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-debuginfo-11.0.12.0.7-0.el7_9
11-openjdk-debuginfo-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-demo-11.0.12.0.7-0.el7_9
11-openjdk-demo-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-devel-11.0.12.0.7-0.el7_9
11-openjdk-devel-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-headless-11.0.12.0.7-0.el7_9
11-openjdk-headless-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-javadoc-11.0.12.0.7-0.el7_9
11-openjdk-javadoc-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-javadoc-zip-11.0.12.0.7-0.el7_9
11-openjdk-javadoc-zip-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-jmods-11.0.12.0.7-0.el7_9
11-openjdk-jmods-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-src-11.0.12.0.7-0.el7_9
11-openjdk-src-11.0.12.0.7-0.el7_9
redhat/java<11-openjdk-static-libs-11.0.12.0.7-0.el7_9
11-openjdk-static-libs-11.0.12.0.7-0.el7_9

Remediation

Event History

Jul 21, 2021
Advisory Published
via Red Hat·12:00 AM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of RHSA-2021:2784?

The severity of RHSA-2021:2784 is classified as important due to its potential impact on security.

2

How do I fix RHSA-2021:2784?

To fix RHSA-2021:2784, update to the latest version of the affected OpenJDK packages provided by Red Hat.

3

Which packages are affected by RHSA-2021:2784?

The affected packages include java-11-openjdk, java-11-openjdk-headless, and several related sub-packages.

4

What vulnerabilities are addressed in RHSA-2021:2784?

RHSA-2021:2784 addresses vulnerabilities related to incorrect comparison during range check elimination and FTP PASV command issues.

5

What should I do if I cannot update due to compatibility issues after applying RHSA-2021:2784?

If you encounter compatibility issues after applying RHSA-2021:2784, review your dependencies and consider testing in a controlled environment before further deployment.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203