CVE-2019-9578

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.29% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 83.0% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-03-05 23:00Z7 YR AGO

Last updated

2024-08-04 21:54Z2 YR AGO

Reserved

2019-03-05

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-908Use of Uninitialized ResourceBase

Data version

5.1

Document digest

e96a5fded4e0bd98dd2964fa597f2e50d9eb7b90dc374e01f4ff04d17c4bddaa

• developers.yubico.comhttps://developers.yubico.com/libu2f-host/Release_Notes.htmlx_refsource_MISC
• github.comhttps://github.com/Yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2019-fe6d1fbffahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S4YCFMSNMXZ7XC4U6WXPQA7JCXC6VOAJ/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2019-4d83e78ad8https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMA4H6AZFYIR3LA5VKKEJZNCCIVMUCFQ/vendor-advisoryx_refsource_FEDORA
• lists.opensuse.orgopenSUSE-SU-2019:1708http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00012.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2019:1725http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00018.htmlvendor-advisoryx_refsource_SUSE
• blog.inhq.nethttps://blog.inhq.net/posts/yubico-libu2f-host-vuln-part2/x_refsource_MISC
• security.gentoo.orgGLSA-202004-15https://security.gentoo.org/glsa/202004-15vendor-advisoryx_refsource_GENTOO