devalue: Repeated primitive strings cause quadratic expansion in uneval
Priority LOW 38CWE-400Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-400.
Summary
Under very constrained circumstances, data that was `parse`d and then passed to `uneval` could turn a small payload into a very large serialized string.
Why it matters now
Fix Fixed devalue (npm): 5.9.3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | devalue (npm) | before 5.9.3 | 5.9.3 | Patch available | GHSA-mcm9-63f2-9j32 |
- devalue (npm) Vendor— Affected before 5.9.3 Fixed in 5.9.3 Patch available GHSA-mcm9-63f2-9j32
Remediation
- Fix · GHSA-mcm9-63f2-9j32 devalue (npm) Fixed in 5.9.3 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-mcm9-63f2-9j32
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences