CVE-2018-20996

9.8 criticalEPSS 1.7%

An issue was discovered in the crossbeam crate before 0.4.1 for Rust. There is a double free because of destructor mishandling.

Severity

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
CWE: CWE-415
Published: 2019-08-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-c3cw-c387-pj65	crates.io	crossbeam	>=0.4.0 <0.4.1	0.4.1
RUSTSEC-2018-0009	crates.io	crossbeam	>=0.4.0 <0.4.1	0.4.1