GHSA-r9w8-h9r3-54w4

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

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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

CVSS 8.2 · High · Fix available

Published: 2026-10-01T15:15:56Z
Updated: 2026-10-01T15:30:13.282353385Z

Stack: node

Affected products and versions

devalue npm
Affected ranges
- SEMVER: < 5.9.3
Update to 5.9.3

Original sources

https://github.com/sveltejs/devalue/security/advisories/GHSA-r9w8-h9r3-54w4
https://github.com/sveltejs/devalue/commit/8f8d78e173f8a00023d009c7677ccc600dee0b99
https://github.com/sveltejs/devalue
https://github.com/sveltejs/devalue/releases/tag/v5.9.3
https://osv.dev/vulnerability/GHSA-r9w8-h9r3-54w4

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

Affected products and versions

devalue npm

Original sources