CVE-2021-26958
8.8
HIGH
CVSS 3.1
EPSS 1.6%
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.
How to fix CVE-2021-26958
To remediate CVE-2021-26958, upgrade the affected package to a fixed version below.
- Debian/rust-xcb—upgrade to 1.1.1-1 or later
Is CVE-2021-26958 being exploited?
Low — EPSS is 1.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.1.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |