CVE-2018-18020

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

1.20% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 68.1% of scored records. A rank, not a probability.

NVD base score

3.3 (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:L

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

2018-10-06 00:00Z8 YR AGO

Last updated

2024-08-05 11:01Z2 YR AGO

Reserved

2018-10-06

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-674Uncontrolled RecursionClass
• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.1

Document digest

41155dc400d8ad817d9a96defc94927f88915413d63994134a26cca4e24e9a4d

• github.comhttps://github.com/qpdf/qpdf/issues/243
• lists.debian.org[debian-lts-announce] 20230829 [SECURITY] [DLA 3548-1] qpdf security updatehttps://lists.debian.org/debian-lts-announce/2023/08/msg00037.htmlmailing-list