CVE-2021-26957 is a critical out-of-bounds read vulnerability affecting the xcb crate for Rust, specifically within the xcb::xproto::change_property() function. This flaw allows an unauthenticated attacker to send specially crafted data to an X server, potentially leading to severe consequences. With a CVSS score of 9.8, it poses a critical risk, enabling full compromise of confidentiality, integrity, and availability. Currently, there is no public exploit code available, nor is there evidence of active exploitation 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:N/UI:N/S:U/C:H/I:H/A:H
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