cvedb.io
CVE-2021-45707
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2021-12-27T00:15:09.940 · Last modified 2026-06-17T04:13:59.380

Summary

An issue was discovered in the nix crate 0.16.0 and later before 0.20.2, 0.21.x before 0.21.2, and 0.22.x before 0.22.2 for Rust. unistd::getgrouplist has an out-of-bounds write if a user is in more than 16 /etc/groups groups.

Affected products

nix_project — nix

Does this affect you?

Add your gear to cvedb and we'll alert you only when nix_project ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.