CVE-2018-20198

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

1.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 66.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:L/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

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

2018-12-18 01:00Z7 YR AGO

Last updated

2024-08-05 11:58Z2 YR AGO

Reserved

2018-12-17

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

bd6faff634aeee1f81ee10d6a3f1dd4b197394a19b9959bf9c5c379ae725242d

• github.comhttps://github.com/knik0/faad2/issues/23x_refsource_MISC
• lists.debian.org[debian-lts-announce] 20190519 [SECURITY] [DLA 1791-1] faad2 security updatehttps://lists.debian.org/debian-lts-announce/2019/05/msg00022.htmlmailing-listx_refsource_MLIST
• www.debian.orgDSA-4522https://www.debian.org/security/2019/dsa-4522vendor-advisoryx_refsource_DEBIAN
• seclists.org20190916 [SECURITY] [DSA 4522-1] faad2 security updatehttps://seclists.org/bugtraq/2019/Sep/28mailing-listx_refsource_BUGTRAQ
• security.gentoo.orgGLSA-202006-17https://security.gentoo.org/glsa/202006-17vendor-advisoryx_refsource_GENTOO