Vulnerability Details : CVE-2021-26957
An issue was discovered in the xcb crate through 2021-02-04 for Rust. It has a soundness violation because there is an out-of-bounds read in xcb::xproto::change_property(), as demonstrated by a format=32 T=u8 situation where out-of-bounds bytes are sent to an X server.
Products affected by CVE-2021-26957
- cpe:2.3:a:xcb_project:xcb:*:*:*:*:*:rust:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-26957
0.51%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-26957
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-26957
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-26957
-
https://rustsec.org/advisories/RUSTSEC-2021-0019.html
RUSTSEC-2021-0019: xcb: Multiple soundness issues › RustSec Advisory DatabaseExploit;Vendor Advisory
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