CVE-2018-20996 – crossbeam

Package

Manager: cargo
Name: crossbeam
Vulnerable Version: >=0.4.0 <0.4.1

Severity

Level: Critical

CVSS v3.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS: 0.00425 pctl0.61399

Details

Double free in crossbeam Even if an element is popped from a queue, crossbeam would run its destructor inside the epoch-based garbage collector. This is a source of double frees. The flaw was corrected by wrapping elements inside queues in a ManuallyDrop.

Metadata

Created: 2021-08-25T20:43:21Z
Modified: 2023-06-13T17:11:24Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/08/GHSA-c3cw-c387-pj65/GHSA-c3cw-c387-pj65.json
CWE IDs: ["CWE-415"]
Alternative ID: GHSA-c3cw-c387-pj65
Finding: F138
Auto approve: 1