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().

Score

CVSS 3.1 5.3 Medium

Status

Modified - support@hackerone.com

Published

2021-07-12

Last modified

2025-04-30

Weaknesses

CWE-125

Affected products

• Node (Nodejs)
• Node.js (Nodejs)
• Sinec Infrastructure Network Services (Siemens)

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
• https://hackerone.com/reports/1209681
• https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/
• https://security.gentoo.org/glsa/202401-23
• https://security.netapp.com/advisory/ntap-20210805-0003/