What is GHSA-c3cw-c387-pj65?

GHSA-c3cw-c387-pj65 is a security advisory published by GitHub Security Advisories with Critical severity. Double free in crossbeam

Which CVE IDs does GHSA-c3cw-c387-pj65 cover?

GHSA-c3cw-c387-pj65 covers the following CVE IDs: CVE-2018-20996. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-c3cw-c387-pj65?

GHSA-c3cw-c387-pj65 has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

Which products are affected by GHSA-c3cw-c387-pj65?

GHSA-c3cw-c387-pj65 affects 1 product, including: rust/crossbeam:\u003e= 0.4.0, \u003c 0.4.1.

GHSA-c3cw-c387-pj65CriticalCVSS 9.8

Double free in crossbeam

Vendor

GitHub Security Advisories

Published

August 25, 2021

Last Modified

November 10, 2023

🔗 CVE IDs covered (1)

CVE-2018-20996 →

📋 Description

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.

🎯 Affected products1

rust/crossbeam:>= 0.4.0, < 0.4.1

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2018-20996
https://github.com/crossbeam-rs/crossbeam-epoch/issues/82
https://rustsec.org/advisories/RUSTSEC-2018-0009.html
https://github.com/advisories/GHSA-c3cw-c387-pj65