CVEvulnerability

CVE-2021-26958

8.8 HIGH Published 2021-02-09 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-02-09
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:P
Weaknesses
CWE-252

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.

Affected configurations

• xcb project xcb (<= 2021-02-04)

Related

Weakness · CWE (1)

  • CWE-252 Unchecked Return Value weakness

References