[RELEASE] Redis 7.0.9, 6.2.11 and 6.0.18 are out

[Itamar Haber]

Dear Redis community,

We've released Redis 7.0.9, 6.2.11, and 6.0.18 to fix bugs and security issues.

Following are the release notes.

Redis 7.0.9

Upgrade urgency: SECURITY, contains fixes to security issues.

Security Fixes

• (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.

Bug Fixes

• Fix a crash when reaching the maximum invalidations limit of client-side tracking (#11814)

• Fix a crash when SPUBLISH is used after passing the cluster-link-sendbuf-limit (#11752)

• Fix possible memory corruption in FLUSHALL when a client watches more than one key (#11854)

• Fix cluster inbound link keepalive time (#11785)

• Flush propagation list in active-expire of writable replicas to fix an assertion (#11615)

• Avoid propagating DEL of lazy expire from SCAN and RANDOMKEY as MULTI-EXEC (#11788)

Performance and resource utilization improvements

• Avoid realloc to reduce size of strings when it is unneeded (#11766)

• Improve CLUSTER SLOTS reply efficiency for non-continuous slots (#11745)

Redis 6.2.11

Upgrade urgency: SECURITY, contains fixes to security issues.

Security Fixes

• (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.

Bug Fixes

• Fix a crash when reaching the maximum invalidations limit of client-side tracking (#11814)

• Fix cluster inbound link keepalive time (#11785)

• Make sure that fork child doesn't do incremental rehashing (#11692)

Performance and resource utilization improvements

• Avoid realloc to reduce size of strings when it is unneeded (#11766)

Redis 6.0.18

Upgrade urgency: SECURITY, contains fixes to security issues.

Security Fixes

• (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.

Bug Fixes

• Make sure that fork child doesn't do incremental rehashing (#11692)

• Fix cluster inbound link keepalive time (#11785)

Cheers,

The Redis core team