Servers and applications
CVE-2021-22918
Node.js before 16.4.1, 14.17.2, 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is used to convert strings to ASCII. The pointer p is read and increased without checking whether it is beyond pe, with the latter holding a pointer to the end of the buffer. This can lead to information disclosures or crashes. This function can be triggered via uv_getaddrinfo().
- Severity
- Medium 5.3
- Published
- 12 Jul 2021
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 12.22.2, 14.17.2, 16.4.1
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
Node.jsServers and applications · cpe:a:nodejs:node.js |
|