Redis 8.2.3 for Windows

Update urgency: SECURITY: There is a security fix in the release.

Security fixes

• (CVE-2025-62507) Bug in XACKDEL may lead to stack overflow and potential RCE

Bug fixes

• HGETEX: A missing numfields argument when FIELDS is used can lead to Redis crash
• An overflow in HyperLogLog with 2GB+ entries may result in a Redis crash
• Cuckoo filter - Division by zero in Cuckoo filter insertion
• Cuckoo filter - Counter overflow
• Bloom filter - Arbitrary memory read/write with invalid filter
• Bloom filter - Out-of-bounds access with empty chain
• Top-k - Out-of-bounds access
• Bloom filter - Restore invalid filter [We thank AWS security for responsibly disclosing the security bug]

Hashes

MSYS2 Builds Hashes

Algorithm : SHA256
Hash : A37AB94631796F625ED41867FF7873784AFC46EEDABA50C0D9160A8764F47EE6
Path : D:\a\redis-windows\redis-windows\Redis-8.2.3-Windows-x64-msys2.zip

Algorithm : SHA256
Hash : 88D4C6D687491E2ADA80C4A292BCF0282E462728ECDA1C3CC6EC47261DA06909
Path : D:\a\redis-windows\redis-windows\Redis-8.2.3-Windows-x64-msys2-with-Service.zip

Cygwin Builds Hashes

Algorithm : SHA256
Hash : 42979CC451EBF55E22A64810664A5DBA9821BF4FBAB2FA85423568B475226FAF
Path : D:\a\redis-windows\redis-windows\Redis-8.2.3-Windows-x64-cygwin.zip

Algorithm : SHA256
Hash : 5D6099AA9CF764FBBACF6D9D9D712163D519220FD7CFB10E6318A055E029662E
Path : D:\a\redis-windows\redis-windows\Redis-8.2.3-Windows-x64-cygwin-with-Service.zip

From workflow: https://github.com/tangw1257/redis-windows/actions/runs/19022368106

Redis 8.2.2 for Windows

Update urgency: SECURITY: There are security fixes in the release

Security fixes

• (CVE-2025-49844) A Lua script may lead to remote code execution
• (CVE-2025-46817) A Lua script may lead to integer overflow and potential RCE
• (CVE-2025-46818) A Lua script can be executed in the context of another user
• (CVE-2025-46819) LUA out-of-bound read

New Features

• redis/redis#14223 VSIM: new EPSILON argument to specify maximum distance
• #Q6867, #6845 SVS-VAMANA: allow use of BUILD_INTEL_SVS_OPT flag for Intel optimisations (MOD-10920)

Bug fixes

• redis/redis#14319 Potential crash on Lua script defrag
• redis/redis#14323 Potential crash on streams and HFE defrag
• redis/redis#14330 Potential use-after-free after pubsub and Lua defrag
• redis/redis#14288 MEMORY USAGE: fix reported value
• redis/redis#14259 XGROUP CREATE, XGROUP SETID: limit ENTRIESREAD value to the number of entries added to the stream
• #J1374 JSON.DEL doesn’t delete all matching object members / array elements (MOD-11032, MOD-11067)
• #P886 TDIGEST.CREATE crashes (OOM) on huge initialization values (MOD-10840)
• #Q6787 Potential shard restart while reindexing vectors on RDB loading (MOD-11011)
• #Q6676 Potential crash when using small CONSTRUCTION_WINDOW_SIZE on SVS-VAMANA (MOD-10771)
• #Q6701 Potential crash (OOM) in heavy updates due to a file descriptor leak (MOD-10975)
• #Q6723 Potential crash when using ACL rules (MOD-10748)
• #Q6641 INFO SEARCH: search_used_memory_indexes vector index memory value incorrect
• #Q6665 FT.PROFILE: more accurate execution duration measurements (MOD-10622)

Performance and resource utilization

• #Q6648 Improve RESP3 serialization performance (MOD-9687)

Metrics

• #Q6671 INFO SEARCH: new SVS-VAMANA metrics

Hashes

MSYS2 Builds Hashes

Algorithm : SHA256
Hash : 589F8C060671095CC8762AD85227089DACE2CF2AFDE01C7E705D10A2E88ADB03
Path : D:\a\redis-windows\redis-windows\Redis-8.2.2-Windows-x64-msys2.zip

Algorithm : SHA256
Hash : BFA2142157A2818A5821FBC7992664645240E3DE0E0CBAA7238AB655888119AD
Path : D:\a\redis-windows\redis-windows\Redis-8.2.2-Windows-x64-msys2-with-Service.zip

Cygwin Builds Hashes

Algorithm : SHA256
Hash : 67BE6639C77AE9DA3BF756D69680B343B2B77E3860DC265784CDF5BE8D98B2A2
Path : D:\a\redis-windows\redis-windows\Redis-8.2.2-Windows-x64-cygwin.zip

Algorithm : SHA256
Hash : FD2AC07AFF9D874B7386B0D15FE76EAA662CC2B6713CDF0D69264574DFA6B1E0
Path : D:\a\redis-windows\redis-windows\Redis-8.2.2-Windows-x64-cygwin-with-Service.zip

From workflow: https://github.com/tangw1257/redis-windows/actions/runs/18238115751

Redis 8.2.1 for Windows

Update urgency: MODERATE: Program an upgrade of the server, but it's not urgent.

Bug fixes

• redis/redis#14240 INFO KEYSIZES - potential incorrect histogram updates on cluster mode with modules
• redis/redis#14274 Disable Active Defrag during flushing replica
• redis/redis#14276 XADD or XTRIM can crash the server after loading RDB
• #Q6601 Potential crash when running FLUSHDB (MOD-10681)

Performance and resource utilization

• Query Engine - LeanVec and LVQ proprietary Intel optimizations were removed from Redis Open Source
• #Q6621 Fix regression in INFO (MOD-10779)

Hashes

MSYS2 Builds Hashes

Algorithm : SHA256
Hash : 4150463FD72484F7B08BCF5F28D949BCD397AE030A56BB186ECCF83161FE91A9
Path : D:\a\redis-windows\redis-windows\Redis-8.2.1-Windows-x64-msys2.zip

Algorithm : SHA256
Hash : 3ED0D2A786996EE7600D9D893D492A138C041F15E8A47E64DE69596F6CC79A6C
Path : D:\a\redis-windows\redis-windows\Redis-8.2.1-Windows-x64-msys2-with-Service.zip

Cygwin Builds Hashes

Algorithm : SHA256
Hash : DC7F9C985752A67B9342C9D2E7C23796152F30A22F20EA5B2E65D87E157247BA
Path : D:\a\redis-windows\redis-windows\Redis-8.2.1-Windows-x64-cygwin.zip

Algorithm : SHA256
Hash : 457315934B62FC9042D1422C0C706D8F06B54C3B2A4461B160D9B51B89BFCFB1
Path : D:\a\redis-windows\redis-windows\Redis-8.2.1-Windows-x64-cygwin-with-Service.zip

From workflow: https://github.com/tangw1257/redis-windows/actions/runs/17057859276

Redis 8.2.0 for Windows

This is the General Availability release of Redis Open Source 8.2.

Major changes compared to 8.0

• Streams - new commands: XDELEX and XACKDEL; extension to XADD and XTRIM
• Bitmap - BITOP: new operators: DIFF, DIFF1, ANDOR, and ONE
• Query Engine - new SVS-VAMANA vector index type which supports vector compression
• More than 15 performance and resource utilization improvements
• New metrics: per-slot usage metrics, key size distributions for basic data types, and more

Binary distributions

• Alpine and Debian Docker images - https://hub.docker.com/_/redis
• Install using snap - see https://github.com/redis/redis-snap
• Install using brew - see https://github.com/redis/homebrew-redis
• Install using RPM - see https://github.com/redis/redis-rpm
• Install using Debian APT - see https://github.com/redis/redis-debian

Operating systems we test Redis 8.2 on

• Ubuntu 22.04 (Jammy Jellyfish), 24.04 (Noble Numbat)
• Rocky Linux 8.10, 9.5
• AlmaLinux 8.10, 9.5
• Debian 12 (Bookworm)
• macOS 13 (Ventura), 14 (Sonoma), 15 (Sequoia)

Security fixes (compared to 8.2-RC1)

• (CVE-2025-32023) Fix out-of-bounds write in HyperLogLog commands
• (CVE-2025-48367) Retry accepting other connections even if the accepted connection reports an error

New Features (compared to 8.2-RC1)

• redis/redis#14141 Keyspace notifications - new event types:
  • OVERWRITTEN - the value of a key is completely overwritten
  • TYPE_CHANGED - key type change

Bug fixes (compared to 8.2-RC1)

• redis/redis#14162 Crash when using evport with I/O threads
• redis/redis#14163 EVAL crash when error table is empty
• redis/redis#14144 Vector sets - RDB format is not compatible with big endian machines
• redis/redis#14165 Endless client blocking for blocking commands
• redis/redis#14164 Prevent CLIENT UNBLOCK from unblocking CLIENT PAUSE
• redis/redis#14216 TTL was not removed by the SET command
• redis/redis#14224 HINCRBYFLOAT removes field expiration on replica

Performance and resource utilization improvements (compared to 8.2-RC1)

• #Q6430 More compression variants for the SVS-VAMANA vector index
• #Q6535 SHARD_K_RATIO parameter - favor network latency over accuracy for KNN vector query in a Redis cluster (unstable feature) (MOD-10359)
• redis/redis#14144 Vector set - improve RDB loading / RESTORE speed by storing the worst link info

Modules API

• redis/redis#14051 RedisModule_Get*, RedisModule_Set* - allow modules to access Redis configurations
• redis/redis#14114 RM_UnsubscribeFromKeyspaceEvents - unregister a module from specific keyspace notifications

Hashes

MSYS2 Builds Hashes

Algorithm : SHA256
Hash : E5F8D183A37C481CE7A7E9B886FBC43BC7DC48C1786E0ECE535A0046B52384AA
Path : D:\a\redis-windows\redis-windows\Redis-8.2.0-Windows-x64-msys2.zip

Algorithm : SHA256
Hash : 3DF40486751950834E903B8B5E403C24ABD02C3EF5EDA144699D3E6CB08C671D
Path : D:\a\redis-windows\redis-windows\Redis-8.2.0-Windows-x64-msys2-with-Service.zip

Cygwin Builds Hashes

Algorithm : SHA256
Hash : 7B956266088E0107342B1EE17CBBFB721295C180C739AEBE5CF199CCB2DCD0FA
Path : D:\a\redis-windows\redis-windows\Redis-8.2.0-Windows-x64-cygwin.zip

Algorithm : SHA256
Hash : 01013B64864C92177290141CACE86B930F8E290FE1615BDAF8CE283020EF249F
Path : D:\a\redis-windows\redis-windows\Redis-8.2.0-Windows-x64-cygwin-with-Service.zip

From workflow: https://github.com/tangw1257/redis-windows/actions/runs/16739398489

Redis 8.0.3 for Windows

Update urgency: SECURITY: There are security fixes in the release.

Security fixes

• (CVE-2025-32023) Fix out-of-bounds write in HyperLogLog commands
• (CVE-2025-48367) Retry accepting other connections even if the accepted connection reports an error

New Features

• redis/redis#14065 VSIM: Add new WITHATTRIBS to return the JSON attribute associated with an element

Bug fixes

• redis/redis#14085 A short read may lead to an exit() on a replica
• redis/redis#14092 db->expires is not defragmented

Hashes

MSYS2 Builds Hashes

Algorithm : SHA256
Hash : A760C354C4B6A0BA469643E56E8041FBAC758AF7761AAE2F719A7640220A3EDC
Path : D:\a\redis-windows\redis-windows\Redis-8.0.3-Windows-x64-msys2.zip

Algorithm : SHA256
Hash : 9167C87DE0DE893E278790B3BEA68E2135A3E4AE8586C877DC1FB7A9C1961CD2
Path : D:\a\redis-windows\redis-windows\Redis-8.0.3-Windows-x64-msys2-with-Service.zip

Cygwin Builds Hashes

Algorithm : SHA256
Hash : 8BAC4D0A4D210828D373744574611851D63D90C3ADE31D9D5D26209CE1A21B25
Path : D:\a\redis-windows\redis-windows\Redis-8.0.3-Windows-x64-cygwin.zip

Algorithm : SHA256
Hash : 5683D779AD9B262A356BD57121CCC4E56AF4E9F684E2F296E335CD7468E3ED5A
Path : D:\a\redis-windows\redis-windows\Redis-8.0.3-Windows-x64-cygwin-with-Service.zip

From workflow: https://github.com/tangw1257/redis-windows/actions/runs/16106414404