Impact

Authenticated users can issue a HRANDFIELD or ZRANDMEMBER command with specially crafted arguments to trigger a denial-of-service by crashing Redis with an assertion.

This problem affects Redis 6.2 or newer.

Patches

The problem is fixed in Redis versions 6.2.9 and 7.0.8.

Credit

This issue has been identified and reported by yype on GitHub.

For more information

If you have any questions or comments about this advisory:

• Open an issue in the Redis repository
• Email us at redis@redis.io