A debian-archive-keyring update has been released for Debian GNU/Linux 10 to add the GnuPG archive keys for the Debian 12 archive.

[SECURITY] [DLA 3482-1] debian-archive-keyring update

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Debian LTS Advisory DLA-3482-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Jochen Sprickerhof
July 07, 2023 https://wiki.debian.org/LTS
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Package : debian-archive-keyring
Version : 2019.1+deb10u2
CVE ID :
Debian Bug :

debian-archive-keyring is a package containing GnuPG archive keys of the Debian
archive. New GPG-keys are being constantly added with every new Debian release.

For Debian 10 buster, GPG-keys for 12/bullseye Debian release are added
in the version 2019.1+deb10u2.

We recommend that you upgrade your debian-archive-keyring packages only if you
need to work with packages from 12/bullseye release.

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

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