CVE-2020-18971

Name: CVE-2020-18971
Creator: NVD / NIST
Published: 2021-08-25T16:15:07.033+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2020-18971 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Stack-based Buffer Overflow in PoDoFo v0.9.6 allows attackers to cause a denial of service via the component 'src/base/PdfDictionary.cpp:65'.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

Description

Stack-based Buffer Overflow in PoDoFo v0.9.6 allows attackers to cause a denial of service via the component 'src/base/PdfDictionary.cpp:65'.

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

0.68%

47.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Podofo Project	Podofo	0.9.6

References

https://sourceforge.net/p/podofo/tickets/48/Exploit, Issue Tracking, Third Party Advisory
https://sourceforge.net/p/podofo/tickets/48/Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Aug 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-18971?

Stack-based Buffer Overflow in PoDoFo v0.9.6 allows attackers to cause a denial of service via the component 'src/base/PdfDictionary.cpp:65'.

How severe is CVE-2020-18971?

CVE-2020-18971 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2020-18971?

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-2020-18971?

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

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Source: NVD / NIST