CVE Vulnerabilities

CVE-2018-20996

Double Free

Published: Aug 26, 2019 | Modified: Aug 30, 2019

CVSS 3.x

9.8

CRITICAL

Source:

NVD

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

CVSS 2.x

7.5 HIGH

RedHat/V2

RedHat/V3

Ubuntu

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2018-20996
CWE	https://cwe.mitre.org/data/definitions/415.html

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

Weakness

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

Affected Software

Name	Vendor	Start Version	End Version
Crossbeam	Crossbeam_project	*	0.4.1 (excluding)

Potential Mitigations

References

https://rustsec.org/advisories/RUSTSEC-2018-0009.html

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