VULNERABILITY INTELLIGENCE
CVE-2021-26956
CVSS score9.8 CRITICAL
EPSS probability1.73%
CISA KEVNot currently listed
Published2021-02-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
An issue was discovered in the xcb crate through 2021-02-04 for Rust. It has a soundness violation because bytes from an X server can be interpreted as any data type returned by xcb::xproto::GetPropertyReply::value.
Weakness classification
- nvd@nist.gov: NVD-CWE-noinfo
Primary references
- cve@mitre.org — Exploit, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Vendor Advisory