VULNERABILITY INTELLIGENCE

CVE-2021-26955

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 xcb::xproto::GetAtomNameReply::name() calls std::str::from_utf8_unchecked() on unvalidated bytes from an X server.

Weakness classification

  • nvd@nist.gov: CWE-252

Primary references