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VULNERABILITIES

CVE-2021-45707 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/advisories/GHSA-wgrg-5h56-jg27 CVEThird Party Advisory
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/nix/RUSTSEC-2021-0119.md CVEThird Party Advisory
https://rustsec.org/advisories/RUSTSEC-2021-0119.html CVEIssue TrackingThird Party Advisory
https://github.com/advisories/GHSA-wgrg-5h56-jg27 [email protected]Third Party Advisory
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/nix/RUSTSEC-2021-0119.md [email protected]Third Party Advisory

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions
nix project nix
>= 0.16.0, < 0.20.2
>= 0.21.0, < 0.21.2
>= 0.22.0, < 0.22.2

CPE

  • cpe:2.3:a:nix_project:nix:*:*:*:*:*:rust:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-45707
NVD Published Date:
Dec 27, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-45707 Details - Not Deferred