CVE-2019-16141

7.5 highEPSS 1.6%

An issue was discovered in the once_cell crate before 1.0.1 for Rust. There is a panic during initialization of Lazy.

Severity

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2019-09-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-7j44-fv4x-79g9	crates.io	once_cell	>=0.2.5 <1.0.1	1.0.1
RUSTSEC-2019-0017	crates.io	once_cell	>=0.2.5 <1.0.1	1.0.1