Allocation of Resources Without Limits or Throttling in Netty - #VU133461
Published: June 8, 2026
Vulnerability identifier: #VU133461
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Netty project
Affected software:
Netty
Netty
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to allocation of resources without limits or throttling in RedisArrayAggregator when processing RESP array headers. A remote attacker can send a specially crafted array header with a large declared element count to cause a denial of service.
The backing array allocation is attempted based on the declared array length before the corresponding child messages are received.
Remediation
Install security update from vendor's website.