CVE-2018-18956

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

2.79% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 85.4% 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

2018-11-05 21:00Z7 YR AGO

Last updated

2024-08-05 11:23Z2 YR AGO

Reserved

2018-11-05

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

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

Data version

5.1

Document digest

8e0f0a6e53fe4556ed66c4de6f3d5d62c11e6da5046f256822613a1a653d6689

• lists.openinfosecfoundation.orghttps://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-October/016227.htmlx_refsource_MISC
• redmine.openinfosecfoundation.orghttps://redmine.openinfosecfoundation.org/issues/2658#change-10374x_refsource_MISC
• lists.openinfosecfoundation.orghttps://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-November/016316.htmlx_refsource_CONFIRM