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

DSA 5131-1: openjdk-11 security update

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Debian Security Advisory DSA-5131-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
May 05, 2022   https://www.debian.org/security/faq
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Package : openjdk-11
CVE ID : CVE-2022-21496 CVE-2022-21476 CVE-2022-21449
CVE-2022-21443 CVE-2022-21434 CVE-2022-21426

Several vulnerabilities have been discovered in the OpenJDK Java
runtime, which may result in information disclosure or denial of service.

For the oldstable distribution (buster), this problem has been fixed
in version 11.0.15+10-1~deb10u1.

For the stable distribution (bullseye), this problem has been fixed in
version 11.0.15+10-1~deb11u1.

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/