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

[SECURITY] [DSA 5478-1] openjdk-11 security update

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Debian Security Advisory DSA-5478-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
August 16, 2023 https://www.debian.org/security/faq
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Package : openjdk-11
CVE ID : CVE-2023-21930 CVE-2023-21937 CVE-2023-21938 CVE-2023-21939
CVE-2023-21954 CVE-2023-21967 CVE-2023-21968 CVE-2023-22006
CVE-2023-22036 CVE-2023-22041 CVE-2023-22045 CVE-2023-22049

Several vulnerabilities have been discovered in the OpenJDK Java runtime,
which may result in bypass of sandbox restrictions, information
disclosure, reduced cryptographic strength of the AES implementation,
directory traversal or denial of service.

For the oldstable distribution (bullseye), these problems have been fixed
in version 11.0.20+8-1~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/