rtbo/rust-xcb · Security

Unchecked Return Value in xcb

GHSA ID
GHSA-3cj3-jrrp-9rxf
CVE ID
CVE-2021-26958
Severity
high
Published
Updated
CVSS
8.8 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v3
8.8 · CVSS:3.1/AV:N/AC:L/PR:L/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 transmutation to the wrong type can happen after xcb::base::cast_event uses std::mem::transmute to return a reference to an arbitrary type.

CWEs

References