Vulnerability in Xcb_project Xcb
CVE-2021-26958
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 arbitrar…
EPSS: 0.016 (72.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Xcb_project Xcb
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-26958?
- CVE-2021-26958 is a high-severity vulnerability in Xcb_project Xcb, classified under CWE-252. CVSS score: 8.8/10. Published 2021-02-09.
- How severe is CVE-2021-26958?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-26958 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.