CVE-2019-9578

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Source
https://cve.org/CVERecord?id=CVE-2019-9578
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-9578.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-9578
Downstream
DEBIAN (1)
openSUSE (4)
SUSE (3)
UBUNTU (1)
Related
openSUSE (4)
SUSE (3)
Published
2019-03-05T23:29:02Z
Modified
2026-07-08T20:57:34Z
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
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

Git / github.com/yubico/libu2f-host

Affected ranges

Type
GIT
Repo
https://github.com/yubico/libu2f-host
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
5e1d2dd3310586a0cd603ba6d1c0ae41b0e2d901
Fixed
e4bb58cc8b6202a421e65f8230217d8ae6e16eb5
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:yubico:libu2f-host:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "1.1.8"
        }
    ],
    "source":  [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

libu2f-host-0.*
libu2f-host-0.0
libu2f-host-0.0.1
libu2f-host-0.0.2
libu2f-host-0.0.3
libu2f-host-0.0.4
libu2f-host-1.*
libu2f-host-1.0.0
libu2f-host-1.1.0
libu2f-host-1.1.1
libu2f-host-1.1.2
libu2f-host-1.1.3
libu2f-host-1.1.4
libu2f-host-1.1.5
libu2f-host-1.1.6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-9578.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "11567275744523841877518153416187518118",
                "44370850034924077708171989660832381896",
                "188303028343851327688763961351998290166",
                "145078100563149133988154089729284353283",
                "216224806556506021471973488479284945323",
                "78543609262864008034404409691289906146",
                "298195757489697171354479924323044485927",
                "314185290226119270872259819350989570243",
                "24939522874790354133884502489879271461",
                "76490889385848227444144861291301719677",
                "314261858854284419405726470030233727425",
                "148922957106482978517489830381474987071",
                "314370417866445732464821320395808641267",
                "14486720878436553949349358003086576635"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2019-9578-240562e0",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5",
        "target":  {
            "file":  "u2f-host/devs.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "147196423138426783156581629780352000219",
            "length":  712
        },
        "id":  "CVE-2019-9578-c6e7e14f",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5",
        "target":  {
            "file":  "u2f-host/devs.c",
            "function":  "init_device"
        }
    }
]
vanir_signatures_modified 
"2026-07-08T20:57:34Z"