DoS due to excessively large websocket message in ws

Description

Affected versions of ws do not appropriately limit the size of incoming websocket payloads, which may result in a denial of service condition when the node process crashes after receiving a large payload.

Recommendation

Update the ws package to the latest compatible version. Followings are version details:

• Affected version(s): < 1.1.1
• Patched version(s): 1.1.1

References

• GHSA-6663-c963-2gqg
• www.npmjs.com
• CVE-2016-10542
• CWE-400
• CAPEC-310
• OWASP 2021-A6

Related Issues

• Undici has Unhandled Exception in WebSocket Client Due to Invalid server_max_window_bits Validation - CVE-2026-2229
• ReDoS in Sec-Websocket-Protocol header - CVE-2021-32640
• Astro: Memory exhaustion DoS due to missing request body size limit in Server Islands - CVE-2026-29772
• ejs vulnerable to DoS due to weak input validation - CVE-2017-1000189

Tags:

npm

ws