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CVE-2021-22883 Node.js before 10.24.0, 12.21.0, 14.16.0, and 15.10.0 is vulnerable to a denial of service attack when too many…
Description
Node.js before 10.24.0, 12.21.0, 14.16.0, and 15.10.0 is vulnerable to a denial of service attack when too many connection attempts with an 'unknownProtocol' are established. This leads to a leak of file descriptors. If a file descriptor limit is configured on the system, then the server is unable to accept new connections and prevent the process also from opening, e.g. a file. If no file descriptor limit is configured, then this lead to an excessive memory usage and cause the system to run out of memory.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Node 15.0 | 15.0 → < 15.10.0 | 15.10.0 |
| Node 14.0 | 14.0 → < 14.16.0 | 14.16.0 |
| Node 13.0 | 13.0 → latest | No fix stated |
| Node 12.0 | 12.0 → < 12.21.0 | 12.21.0 |
| Node 11.0 | 11.0 → latest | No fix stated |
| Node 10.0 | 10.0 → < 10.24.0 | 10.24.0 |
| Node 9.0 | 9.0 → latest | No fix stated |
| Node 8.0 | 8.0 → latest | No fix stated |
| Node 7.0 | 7.0 → latest | No fix stated |
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