What’s Vulnerable › Vulnerabilities

CVE-2020-21676

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-10 · updated 2026-06-17
• Weakness: CWE-787

Description

A stack-based buffer overflow in the genpstrx_text() 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 products

• Debian Linux: 9.0, 10.0
• xfig fig2dev: 3.2.7b

References

• https://cwe.mitre.org/data/definitions/121.html
• https://lists.debian.org/debian-lts-announce/2021/10/msg00002.html
• https://lists.debian.org/debian-lts-announce/2023/01/msg00044.html
• https://sourceforge.net/p/mcj/tickets/76/
• https://cwe.mitre.org/data/definitions/121.html
• https://lists.debian.org/debian-lts-announce/2021/10/msg00002.html
• https://lists.debian.org/debian-lts-announce/2023/01/msg00044.html
• https://sourceforge.net/p/mcj/tickets/76/

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