What is CVE-2018-20996?

CVE-2018-20996 is a critical-severity vulnerability in Crossbeam_project Crossbeam, classified under Double Free. CVSS score: 9.8/10. Published 2019-08-26.

How severe is CVE-2018-20996?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2018-20996 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Double Free in Crossbeam_project Crossbeam

CVE-2018-20996

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

Vulnerability class: Double Free

EPSS: 0.017 (75.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Crossbeam_project Crossbeam
N/a — versions n/a

Weakness classification (CWE)

CWE-415 — Double Free

Public proof-of-concept exploits

Artisan-Lab/Rust-memory-safety-bugs

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-20996?: CVE-2018-20996 is a critical-severity vulnerability in Crossbeam_project Crossbeam, classified under Double Free. CVSS score: 9.8/10. Published 2019-08-26.
How severe is CVE-2018-20996?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-20996 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.