An openjdk-11 security update has been released for Debian GNU/Linux 10 to address several vulnerabilities.

DSA 5000-2: openjdk-11 security update

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Debian Security Advisory DSA-5000-2 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
December 22, 2021   https://www.debian.org/security/faq
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Package : openjdk-11
CVE ID : CVE-2021-35550 CVE-2021-35556 CVE-2021-35559 CVE-2021-35561
CVE-2021-35564 CVE-2021-35565 CVE-2021-35567 CVE-2021-35578
CVE-2021-35586 CVE-2021-35603

Several vulnerabilities have been discovered in the OpenJDK Java
runtime, which may result in denial of service, incorrect Kerberos ticket
use, selection of weak ciphers or information disclosure.

The oldstable distribution (buster), these problems have been fixed in
version 11.0.13+8-1~deb10u1.

We recommend that you upgrade your openjdk-11 packages.

For the detailed security status of openjdk-11 please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/openjdk-11

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://www.debian.org/security/