CVE-2021-45707

Name	CVE-2021-45707
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
rust-nix (PTS)	buster	0.13.0-1	fixed
	bullseye	0.19.0-1	vulnerable
	bookworm, sid	0.26.1-3	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
rust-nix	source	buster	(not affected)
rust-nix	source	(unstable)	0.23.0-1

Notes

[bullseye] - rust-nix <no-dsa> (Minor issue)
[buster] - rust-nix <not-affected> (Introduced in 0.16)
https://rustsec.org/advisories/RUSTSEC-2021-0119.html