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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.

🗓️ 11 Sep 2024 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

Out-of-bounds write in getgrouplist in the nix crate for users with more than sixteen groups.

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18 Feb 2026 10:09Current
7High risk
Vulners AI Score7
CVSS 27.5
CVSS 3.19.8
EPSS0.00466
2