Impact

Authenticated users issuing specially crafted SETRANGE and SORT(_RO) commands can trigger an integer overflow, resulting with Redis attempting to allocate impossible amounts of memory and abort with an OOM panic.

Patches

The problem is fixed in Redis versions 7.0.8, 6.2.9 and 6.0.17.

Credit

The issue has been identified by Xion (SeungHyun Lee) of KAIST GoN

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