CVE-2019-19331

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

2.10% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 81.6% 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: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

2019-12-16 00:00Z6 YR AGO

Last updated

2024-08-05 02:16Z2 YR AGO

Reserved

2019-11-27

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-407Inefficient Algorithmic ComplexityClass
• CWE-404Improper Resource Shutdown or ReleaseClass

Data version

5.1

Document digest

eb1b5e54acf82bd70d820efb0d0d6e6293c3a64f5cb193f9f8056366bfed287f

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-19331
• www.knot-resolver.czhttps://www.knot-resolver.cz/2019-12-04-knot-resolver-4.3.0.html
• lists.debian.org[debian-lts-announce] 20240426 [SECURITY] [DLA 3795-1] knot-resolver security updatehttps://lists.debian.org/debian-lts-announce/2024/04/msg00017.htmlmailing-list