OCTOBER 2, 2026
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Case File

CVE-2021-26958

HIGH · CVSS 8.8 EPSS 1.60%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-09 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. See the original NVD description below for full technical details.

CVE
CVE-2021-26958
Severity
HIGH
CVSS
8.8
EPSS
1.60%

Original NVD Description

An issue was discovered in the xcb crate through 2021-02-04 for Rust. It has a soundness violation because transmutation to the wrong type can happen after xcb::base::cast_event uses std::mem::transmute to return a reference to an arbitrary type.

Related CVEs

Other vulnerabilities affecting the same vendor(s)