The Redis core team reports:
CVE-2023-25155
Specially crafted SRANDMEMBER, ZRANDMEMBER, and
HRANDFIELD commands can trigger an integer overflow,
resulting in a runtime assertion and termination of the
Redis server process.
CVE-2022-36021
String matching commands (like SCAN or KEYS) with a
specially crafted pattern to trigger a denial-of-service
attack on Redis, causing it to hang and consume 100% CPU
time.