Uncontrolled Memory Allocation in devalue - #VU151496
Published: September 21, 2026
Vulnerability identifier: #VU151496
CSH Severity: Low
CVSS v4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-789
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper validation of typed-array allocations in the parse function's custom ArrayBuffer reviver handling when processing input with a malformed ArrayBuffer custom reviver. A local user can provide a small input that causes a massive ArrayBuffer allocation to cause a denial of service.
Affected software
devalue
Remediation
Install security update from vendor's website.
devalue - update to 5.9.3