Double Free in Xcb_project Xcb

CVE-2020-36205

An issue was discovered in the xcb crate through 2020-12-10 for Rust. base::Error does not have soundness. Because of the public ptr field, a use-after-free or double-free can occur.

Vulnerability class: Double Free

EPSS: 0.004 (31.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-36205?
CVE-2020-36205 is a medium-severity vulnerability in Xcb_project Xcb, classified under Double Free. CVSS score: 5.5/10. Published 2021-01-26.
How severe is CVE-2020-36205?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2020-36205 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.