6.2.6

Summary

• Patched multiple CVE‑2021 heap buffer overflow, DoS, and Lua debugging vulnerabilities affecting proto settings, intsets, ziplists, streams, and Lua scripts.
• Fixed several behavior bugs, including GEO STORE handling of empty source keys, PUBSUB NUMPAT reply, CLIENT PAUSE timing, INFO errorstats, COMMAND key position reporting, and appendfsync guarantees on macOS/FreeBSD.
• Added improvements such as latency monitoring for lazy expiration deletions, enhanced corrupt payload sanitization, and automatic removal of empty keys during RDB load or RESTORE.