GitHub Advisoryadvisory · npm

GHSA-r9w8-h9r3-54w4 devalue: Custom ArrayBuffer revivers can bypass typed-array allocation validation

HIGH Published 2026-10-01 Modified 2026-10-01 Official page ↗
Ecosystem
npm
Packages
devalue
Severity
High
CVSS vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weaknesses
CWE-789, CWE-843
Reviewed
2026-10-01

Affected packages

• npm devalue: < 5.9.3 → fixed in 5.9.3

Description

Under very specific circumstances, `parse` could create massive ArrayBuffers with very small input. This required a malformed `ArrayBuffer` custom reviver.

Related

Weakness · CWE (2)

  • CWE-789 Memory Allocation with Excessive Size Value weakness
  • CWE-843 Access of Resource Using Incompatible Type weakness

References