What is CVE-2020-19467?

CVE-2020-19467 is a medium-severity vulnerability in Flowpaper Pdf2json, classified under Use After Free. CVSS score: 5.5/10. Published 2021-07-21.

How severe is CVE-2020-19467?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Use After Free in Flowpaper Pdf2json

CVE-2020-19467

An issue has been found in function DCTStream::transformDataUnit in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to an Illegal Use After Free .

Vulnerability class: Use-After-Free

Published 2021-07-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Flowpaper Pdf2json — versions 0.70

Weakness classification (CWE)

CWE-416 — Use After Free

References

github.com/flexpaper/pdf2json/issues/28 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-19467?: CVE-2020-19467 is a medium-severity vulnerability in Flowpaper Pdf2json, classified under Use After Free. CVSS score: 5.5/10. Published 2021-07-21.
How severe is CVE-2020-19467?: Medium severity. CVSS v3 base score is 5.5 out of 10.