Upgrade urgency: SECURITY, Contains fixes to security issues that affect authenticated client connections. MODERATE otherwise.

Fix integer overflow in STRALGO LCS (CVE-2021-32625) An integer overflow bug in Redis version 6.0 or newer can be exploited using the STRALGO LCS command to corrupt the heap and potentially result with remote code execution. This is a result of an incomplete fix by CVE-2021-29477.

Bug fixes that are only applicable to previous releases of Redis 6.2:

• Fix crash after a diskless replication fork child is terminated (#8991)
• Fix redis-benchmark crash on unsupported configs (#8916)

Other bug fixes:

• Fix crash in UNLINK on a stream key with deleted consumer groups (#8932)
• SINTERSTORE: Add missing keyspace del event when none of the sources exist (#8949)
• Sentinel: Fix CONFIG SET of empty string sentinel-user/sentinel-pass configs (#8958)
• Enforce client output buffer soft limit when no traffic (#8833)

Improvements:

• Hide AUTH passwords in MIGRATE command from slowlog (#8859)