7.5

CVE-2018-21238: foxitsoftware phantompdf Uncontrolled Resource Consumption

CVSS: 7.5v3.1HighModified
Published 04-06-2020Last modified 05-08-2024

Vulnerability summary

CVE-2018-21238 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in foxitsoftware phantompdf. EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 63.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.04%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-06-2020
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Foxit PhantomPDF before 8.3.7. It allows memory consumption via an ArrayBuffer(0xfffffffe) call.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.04%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

0.00 pp

From 1.04% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.04%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Foxitsoftware1 product

1 vendor · 1 product

References

1 links