CVE-2018-3878

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

1.53% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 74.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/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

2018-08-23 15:00Z8 YR AGO

Last updated

2024-09-17 03:43Z2 YR AGO

Reserved

2018-01-02

Assigning CNA

talos

Record state

PUBLISHED

Severity

Critical (CVSS 9.9)

CNA CVSS vector

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

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

a441510618557c27095fbe80e83f354a5e1ae4d2e178df2844d9db4600020fb3

• www.talosintelligence.comhttps://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0555x_refsource_MISC