Uncontrolled Memory Allocation Vulnerability in Hiredis RESP Parser by Redis
CVE-2026-88382

7.5HIGH

Key Information:

Vendor

Redis

Status
Hiredis
Vendor
CVE Published:
24 September 2026

What is CVE-2026-88382?

The recent update to Hiredis introduces an uncontrolled memory allocation vulnerability in the RESP aggregate parser. This security flaw can potentially allow an attacker to exploit the system by sending crafted RESP messages, leading to resource exhaustion or application crashes. Users of Hiredis versions released after 1.5.0 should apply necessary updates to mitigate this risk.

References

https://github.com/redis/hiredis/issues/1357

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.