DEBIAN-CVE-2021-26955

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Source
https://security-tracker.debian.org/tracker/CVE-2021-26955
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26955.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-26955
Upstream
Published
2021-02-09T23:15:13.913Z
Modified
2025-11-14T04:01:03.246449Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in the xcb crate through 2021-02-04 for Rust. It has a soundness violation because xcb::xproto::GetAtomNameReply::name() calls std::str::fromutf8unchecked() on unvalidated bytes from an X server.

References

Affected packages

Debian:12 / rust-xcb

Package

Name
rust-xcb
Purl
pkg:deb/debian/rust-xcb?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26955.json"

Debian:13 / rust-xcb

Package

Name
rust-xcb
Purl
pkg:deb/debian/rust-xcb?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26955.json"

Debian:14 / rust-xcb

Package

Name
rust-xcb
Purl
pkg:deb/debian/rust-xcb?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26955.json"