CVE-2018-20573

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

2.52% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 84.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

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

2018-12-28 16:00Z7 YR AGO

Last updated

2025-11-03 21:44Z11 MO AGO

Reserved

2018-12-28

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
• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.2

Document digest

2e57d1f366f060f64817d1fb6f85a61cb331e2839cd12b00ac13c40d16ea4447

• github.comhttps://github.com/jbeder/yaml-cpp/issues/655x_refsource_MISC
• seclists.orghttp://seclists.org/fulldisclosure/2024/Nov/0