vulnerability
Gentoo Linux: CVE-2018-20340: libu2f-host: Multiple vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:P/I:P/A:P) | Mar 21, 2019 | May 1, 2020 | Aug 13, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
Mar 21, 2019
Added
May 1, 2020
Modified
Aug 13, 2025
Description
Yubico libu2f-host 1.1.6 contains unchecked buffers in devs.c, which could enable a malicious token to exploit a buffer overflow. An attacker could use this to attempt to execute malicious code using a crafted USB device masquerading as a security token on a computer where the affected library is currently in use. It is not possible to perform this attack with a genuine YubiKey.
Solution
gentoo-linux-upgrade-app-crypt-libu2f-host
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