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CVE-2020-35886

MediumCVSS 4.7/10Last modified Jun 17, 2026

Description

An issue was discovered in the arr crate through 2020-08-25 for Rust. An attacker can smuggle non-Sync/Send types across a thread boundary to cause a data race.

Metrics

CVSS 3.1 4.7/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://rustsec.org/advisories/RUSTSEC-2020-0034.htmlThird Party Advisory
https://rustsec.org/advisories/RUSTSEC-2020-0034.htmlThird Party Advisory

Timeline

Published: Dec 31, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-358879.8An issue was discovered in the arr crate through 2020-08-25 for Rust. There is a buffer overflow in Index and IndexMut.CVE-2020-358889.8An issue was discovered in the arr crate through 2020-08-25 for Rust. Uninitialized memory is dropped by Array::new_from_template.CVE-2020-358898.1An issue was discovered in the crayon crate through 2020-08-31 for Rust. A TOCTOU issue has a resultant memory safety violation via HandleLi CVE-2020-35894.8A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) Software could allow an authenticated, remote CVE-2020-358907.5An issue was discovered in the ordnung crate through 2020-09-03 for Rust. compact::Vec violates memory safety via out-of-bounds access for l CVE-2020-358917.5An issue was discovered in the ordnung crate through 2020-09-03 for Rust. compact::Vec violates memory safety via a remove() double free.CVE-2020-358929.1An issue was discovered in the simple-slab crate before 0.3.3 for Rust. index() allows an out-of-bounds read.CVE-2020-358937.5An issue was discovered in the simple-slab crate before 0.3.3 for Rust. remove() has an off-by-one error, causing memory leakage and a drop CVE-2020-358947.5An issue was discovered in the obstack crate before 0.1.4 for Rust. Unaligned references can occur.CVE-2020-358959.8An issue was discovered in the stack crate before 0.3.1 for Rust. ArrayVec has an out-of-bounds write via element insertion.CVE-2020-358967.5An issue was discovered in the ws crate through 2020-09-25 for Rust. The outgoing buffer is not properly limited, leading to a remote memory CVE-2020-358974.7An issue was discovered in the atom crate before 0.3.6 for Rust. An unsafe Send implementation allows a cross-thread data race.