RHSA-2021:3968: Important: OpenJDK 11.0.13 security update for Windows Builds
The OpenJDK 11 packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit.This release of the Red Hat build of OpenJDK 11 (11.0.13) for Windows serves as a replacement for the Red Hat build of OpenJDK 11 (11.0.12) and includes security and bug fixes, and enhancements. For further information, refer to the release notes linked to in the References section.Security Fix(es): OpenJDK: Loop in HttpsServer triggered during TLS session close (JSSE, 8254967) (CVE-2021-35565) OpenJDK: Incorrect principal selection when using Kerberos Constrained Delegation (Libraries, 8266689) (CVE-2021-35567) OpenJDK: Weak ciphers preferred over stronger ones for TLS (JSSE, 8264210) (CVE-2021-35550) OpenJDK: Excessive memory allocation in RTFParser (Swing, 8265167) (CVE-2021-35556) OpenJDK: Excessive memory allocation in RTFReader (Swing, 8265580) (CVE-2021-35559) OpenJDK: Excessive memory allocation in HashMap and HashSet (Utility, 8266097) (CVE-2021-35561) OpenJDK: Certificates with end dates too far in the future can corrupt keystore (Keytool, 8266137) (CVE-2021-35564) OpenJDK: Unexpected exception raised during TLS handshake (JSSE, 8267729) (CVE-2021-35578) OpenJDK: Excessive memory allocation in BMPImageReader (ImageIO, 8267735) (CVE-2021-35586) OpenJDK: Non-constant comparison during TLS handshakes (JSSE, 8269618) (CVE-2021-35603) 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.
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Frequently Asked Questions
What is the severity of RHSA-2021:3968?
The severity of RHSA-2021:3968 is classified as critical due to the potential impact on system security.
How do I fix RHSA-2021:3968?
To fix RHSA-2021:3968, you should upgrade to the latest Red Hat build of OpenJDK 11 (11.0.13) provided in the security advisory.
What vulnerabilities are addressed in RHSA-2021:3968?
RHSA-2021:3968 addresses multiple security vulnerabilities affecting the OpenJDK, which could allow attackers to execute arbitrary code.
Is RHSA-2021:3968 applicable to all operating systems?
RHSA-2021:3968 specifically applies to the Red Hat build of OpenJDK 11 running on supported versions of Windows.
Will applying RHSA-2021:3968 affect my Java applications?
Applying RHSA-2021:3968 should not negatively impact your Java applications, but it's advisable to test them to ensure compatibility.