CVE-2020-21675

Name: CVE-2020-21675
Creator: NVD / NIST
Published: 2021-08-10T21:15:07.363+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 1.06%

Last modified Jun 17, 2026

CVE-2020-21675 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A stack-based buffer overflow in the genptk_text component in genptk.c of fig2dev 3.2.7b allows attackers to cause a denial of service (DOS) via converting a xfig file into ptk format.. EPSS estimates a 1.06% chance of exploitation in the next 30 days.

Description

A stack-based buffer overflow in the genptk_text component in genptk.c of fig2dev 3.2.7b allows attackers to cause a denial of service (DOS) via converting a xfig file into ptk format.

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

1.06%

60.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Fig2dev Project	Fig2dev	3.2.7b
Debian	Debian Linux	9.0

References

https://cwe.mitre.org/data/definitions/121.htmlTechnical Description
https://lists.debian.org/debian-lts-announce/2021/10/msg00002.htmlMailing List, Third Party Advisory
https://sourceforge.net/p/mcj/tickets/78/Exploit, Issue Tracking, Patch, Third Party Advisory
https://cwe.mitre.org/data/definitions/121.htmlTechnical Description
https://lists.debian.org/debian-lts-announce/2021/10/msg00002.htmlMailing List, Third Party Advisory
https://sourceforge.net/p/mcj/tickets/78/Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Aug 10, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-21675?

A stack-based buffer overflow in the genptk_text component in genptk.c of fig2dev 3.2.7b allows attackers to cause a denial of service (DOS) via converting a xfig file into ptk format.

How severe is CVE-2020-21675?

CVE-2020-21675 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.06% probability of exploitation in the next 30 days.

How do I fix CVE-2020-21675?

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-2020-21675?

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

Scan your code now

Source: NVD / NIST