CVE-2020-21676: Buffer Overflow

Published Aug 10, 2021
·
Updated

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

Affected Software

3 affected components
Fig2dev Project Fig2dev=3.2.7b
Debian Debian Linux=9.0
Debian Debian Linux=10.0

Event History

Aug 10, 2021
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description

Frequently Asked Questions

1

What is CVE-2020-21676?

CVE-2020-21676 is a vulnerability in the genpstrx_text() component in genpstricks.c of fig2dev 3.2.7b that allows attackers to cause a denial of service (DOS) by converting a xfig file into pstricks format.

2

How severe is CVE-2020-21676?

The severity of CVE-2020-21676 is medium with a severity value of 5.5.

3

Which software versions are affected by CVE-2020-21676?

Fig2dev 3.2.7b and Debian Linux versions 9.0 and 10.0 are affected by CVE-2020-21676.

4

How can CVE-2020-21676 be exploited?

CVE-2020-21676 can be exploited by attackers through the conversion of a xfig file into pstricks format, triggering a stack-based buffer overflow in the genpstrx_text() component of fig2dev.

5

Where can I find more information about CVE-2020-21676?

More information about CVE-2020-21676 can be found at the following references: [link1], [link2], [link3].

Contact

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