Uncontrolled resource consumption in HackerOne uws node module
Priority LOW 29CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-400.
Summary
uws is a WebSocket server library. By sending a 256mb websocket message to a uws server instance with permessage-deflate enabled, there is a possibility used compression will shrink said 256mb down to less than 16mb of websocket payload which passes the length check of 16mb payload. This data will then inflate up to 256mb and crash the node process by exceeding V8's maximum string size. This affects uws >=0.10.0 <=0.10.8.
Why it matters now
EPSS 0.01319 71st percentileScored 2026-11-07
Fix Fixed uws (npm): 0.10.9
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 |
|---|---|---|---|---|---|
| HackerOne | uws node module | >=0.10.0 <=0.10.8 | — | No fix listed | CNA |
| — | uws (npm) | 0.10.0 to before 0.10.9 | 0.10.9 | Patch available | GHSA-hf5h-hh56-3vrg |
- uws node module VendorHackerOne Affected >=0.10.0 <=0.10.8 Fixed in — No fix listed CNA
- uws (npm) Vendor— Affected 0.10.0 to before 0.10.9 Fixed in 0.10.9 Patch available GHSA-hf5h-hh56-3vrg
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:uws_project:uws:*:*:*:*:*:node.js:*:* | 0.10.0 – 0.10.8 | Vulnerable | Uws Project |
- cpe:2.3:a:uws_project:uws:*:*:*:*:*:node.js:*:* Versions 0.10.0 – 0.10.8 Vulnerable ·Uws Project
Remediation
- Fix · GHSA-hf5h-hh56-3vrg uws (npm) Fixed in 0.10.9 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2016-10544
- 2026-10-03 Alias added: GHSA-hf5h-hh56-3vrg
References
Sources
- CVE-2016-10544 · CVE Program
- CVE-2016-10544 · NVD
- FIRST EPSS
- GHSA-hf5h-hh56-3vrg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences