A redis security update has been released for Debian GNU/Linux 10 and 11 to address a Lua sandbox escape in Redis.

DSA 5081-1: redis security update

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Debian Security Advisory DSA-5081-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
February 18, 2022   https://www.debian.org/security/faq
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Package : redis
CVE ID : CVE-2022-0543
Debian Bug : 1005787

Reginaldo Silva discovered a (Debian-specific) Lua sandbox escape in
Redis, a persistent key-value database.

For the oldstable distribution (buster), this problem has been fixed
in version 5:5.0.14-1+deb10u2.

For the stable distribution (bullseye), this problem has been fixed in
version 5:6.0.16-1+deb11u2.

We recommend that you upgrade your redis packages.

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

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/