CVE-2018-5256

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

1.67% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 74.7% 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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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

2018-05-18 15:00Z8 YR AGO

Last updated

2024-08-05 05:33Z2 YR AGO

Reserved

2018-01-07

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass

Data version

5.1

Document digest

592019c72318485e153a952f0a1eb694ecdf6c2ccd48676aa61df26d603ff123

• coreos.comhttps://coreos.com/blog/tectonic-namespace-information-disclosure-vulnerability-patchedx_refsource_CONFIRM
• coreos.comhttps://coreos.com/tectonic/releases/#1.8.4-tectonic.3x_refsource_CONFIRM