CVE-2020-19471

Name: CVE-2020-19471
Creator: NVD / NIST
Published: 2021-07-21T18:15:08.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2020-19471 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An issue has been found in function DCTStream::decodeImage in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to an invalid read of size 4 .. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

An issue has been found in function DCTStream::decodeImage in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to an invalid read of size 4 .

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

0.63%

45.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Flowpaper	Pdf2json	0.70

References

https://github.com/flexpaper/pdf2json/issues/32Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/flexpaper/pdf2json/issues/32Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Jul 21, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-19471?

An issue has been found in function DCTStream::decodeImage in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to an invalid read of size 4 .

How severe is CVE-2020-19471?

CVE-2020-19471 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2020-19471?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-19471?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST