Impact

Authenticated users issuing specially crafted SRANDMEMBER, ZRANDMEMBER, and HRANDFIELD commands can trigger an integer overflow, resulting in a runtime assertion and termination of the Redis server process.

This problem affects all Redis versions.

Patches

The problem is fixed in Redis versions 6.0.18, 6.2.11, 7.0.9.

Credit

The issue has been identified by Yupeng Yang.

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