UBUNTU-CVE-2019-9578

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2019-9578
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-9578.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2019-9578
Upstream
Published
2019-03-05T23:29:00Z
Modified
2025-10-24T04:47:34Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

In devs.c in Yubico libu2f-host before 1.1.8, the response to init is misparsed, leaking uninitialized stack memory back to the device.

References

Affected packages

Ubuntu:16.04:LTS / libu2f-host

Package

Name
libu2f-host
Purl
pkg:deb/ubuntu/libu2f-host@1.0.0-1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.0.4-1

1.*

1.0.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.0.0-1",
            "binary_name": "libu2f-host-dev"
        },
        {
            "binary_version": "1.0.0-1",
            "binary_name": "libu2f-host0"
        },
        {
            "binary_version": "1.0.0-1",
            "binary_name": "u2f-host"
        }
    ]
}

Ubuntu:18.04:LTS / libu2f-host

Package

Name
libu2f-host
Purl
pkg:deb/ubuntu/libu2f-host@1.1.4-1ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.1.3-1
1.1.4-1
1.1.4-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.1.4-1ubuntu0.1",
            "binary_name": "libu2f-host-dev"
        },
        {
            "binary_version": "1.1.4-1ubuntu0.1",
            "binary_name": "libu2f-host0"
        },
        {
            "binary_version": "1.1.4-1ubuntu0.1",
            "binary_name": "libu2f-udev"
        },
        {
            "binary_version": "1.1.4-1ubuntu0.1",
            "binary_name": "u2f-host"
        }
    ]
}