CVE-2021-26958 is a high-severity soundness violation affecting the xcb crate for Rust, specifically versions through 2021-02-04. This vulnerability allows for type confusion due to improper use of std::mem::transmute after xcb::base::cast_event, potentially leading to arbitrary type transmutation. With a CVSS score of 8.8 (High), it presents a significant risk with high impact on confidentiality, integrity, and availability, and can be exploited remotely with low privileges and no user interaction. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2021-02-04CPE matchmatch criteria | cpe:2.3:a:xcb_project:xcb:*:*:*:*:*:rust:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.