by Kastro
Paper/Archive/CVE-2021-26957

CVE-2021-26957

mitre — An issue was discovered in the xcb crate through 2021-02-04 for Rust.

EPSS 2%CVSS 9.8
critical.is priorityof 100
45
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 77.3.773 × 2015.5No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refrustsec.org/advisories/RUSTSEC-2021-0019.html