CVE-2018-12453

HIGH

Redis < 5.0 - Denial of Service via XGROUP Command Type Confusion

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-12453. PoCs published by Fakhri Zulkifli.

AI-analyzed exploit summary This exploit demonstrates a type confusion vulnerability in Redis 5.0's xgroupCommand function, leading to a denial-of-service (DoS) via a segfault when an XGROUP command is executed on a non-stream key.

Description

Type confusion in the xgroupCommand function in t_stream.c in redis-server in Redis before 5.0 allows remote attackers to cause denial-of-service via an XGROUP command in which the key is not a stream.

Exploits (1)

exploitdb WORKING POC
by Fakhri Zulkifli · textdoslinux
https://www.exploit-db.com/exploits/44908

This exploit demonstrates a type confusion vulnerability in Redis 5.0's xgroupCommand function, leading to a denial-of-service (DoS) via a segfault when an XGROUP command is executed on a non-stream key.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Redis 5.0
No auth needed
Prerequisites: Redis server running version 5.0 · Network access to the Redis server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/44908/
Exploit, Third Party Advisory x_refsource_misc
https://gist.github.com/fakhrizulkifli/34a56d575030682f6c564553c53b82b5

Scores

CVSS v3 7.5
EPSS 0.2418
EPSS Percentile 97.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-704
Status published
Products (1)
redislabs/redis < 5.0
Published Jun 16, 2018
Tracked Since Feb 18, 2026