CVE-2021-31162

PoC —

CVSS 3.1

9.8 critical

EPSS

3%p86

Published

Apr 14, 2021 (Apr 14, 2021)

Modified

Jun 17, 2026

Description

In the standard library in Rust before 1.52.0, a double free can occur in the Vec::from_iter function if freeing the element panics.

Vendors: rust-lang fedoraproject
Products: rust, fedora
Weakness: CWE-415
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.9%)

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