CVE-2020-18839

Name: CVE-2020-18839
Creator: NVD / NIST
Published: 2023-08-22T19:15:56.57+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.57%

Last modified Jun 17, 2026

CVE-2020-18839 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Buffer Overflow vulnerability in HtmlOutputDev::page in poppler 0.75.0 allows attackers to cause a denial of service.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

Buffer Overflow vulnerability in HtmlOutputDev::page in poppler 0.75.0 allows attackers to cause a denial of service.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.57%

43.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Freedesktop	Poppler	0.75.0

References

https://gitlab.freedesktop.org/poppler/poppler/issues/742Exploit, Issue Tracking, Vendor Advisory
https://gitlab.freedesktop.org/poppler/poppler/issues/742Exploit, Issue Tracking, Vendor Advisory

Timeline

Published: Aug 22, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-18839?

Buffer Overflow vulnerability in HtmlOutputDev::page in poppler 0.75.0 allows attackers to cause a denial of service.

How severe is CVE-2020-18839?

CVE-2020-18839 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2020-18839?

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-2020-18839?

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

Scan your code now

Source: NVD / NIST