CVE-2021-37819

Name: CVE-2021-37819
Creator: NVD / NIST
Published: 2022-09-09T22:15:08.767+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.71%

Last modified Jun 17, 2026

CVE-2021-37819 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. PDF Labs pdftk-java v3.2.3 was discovered to contain an infinite loop via the component /text/pdf/PdfReader.java.. EPSS estimates a 0.71% chance of exploitation in the next 30 days.

Description

PDF Labs pdftk-java v3.2.3 was discovered to contain an infinite loop via the component /text/pdf/PdfReader.java.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.71%

48.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-835

Affected Software

Vendor	Product	Versions
Pdftk-Java Project	Pdftk-Java	3.2.3

References

Timeline

Published: Sep 9, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-37819?

PDF Labs pdftk-java v3.2.3 was discovered to contain an infinite loop via the component /text/pdf/PdfReader.java.

How severe is CVE-2021-37819?

CVE-2021-37819 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37819?

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-2021-37819?

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

Scan your code now

Source: NVD / NIST