sveltejs/devalue · Security
devalue: Repeated primitive strings cause quadratic expansion in uneval
- GHSA ID
- GHSA-mcm9-63f2-9j32
- Severity
- high
- Published
- Updated
- CVSS v4
- 8.2 · 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
Description
Under very constrained circumstances, data that was parsed and then passed to uneval could turn a small payload into a very large serialized string.
CWEs
- CWE-400 · Uncontrolled Resource Consumption
- CWE-409 · Improper Handling of Highly Compressed Data (Data Amplification)