CVE-2020-21678

MEDIUMNVD 5.55.5—

5.5

A global buffer overflow in the genmp_writefontmacro_latex component in genmp.c of fig2dev 3.2.7b allows attackers to cause a denial of service (DOS) via converting a xfig file into mp format.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 55.3%
KEV: Not listed

Published

August 10, 2021

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://sourceforge.net/p/mcj/tickets/71/
af854a3a-2127-422b-91ae-364da2661108https://sourceforge.net/p/mcj/tickets/71/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-120Buffer Copy without Checking Size (Classic Buffer Overflow)

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 12:20 UTCEG score recompute
2026-05-26 12:20 UTCGHSA enrichment
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 02:16 UTCOSV refresh
2026-05-24 16:48 UTCepss_batch

Frequently asked(5)

What is CVE-2020-21678?

CVE-2020-21678 is a medium vulnerability published on August 10, 2021. A global buffer overflow in the genmpwritefontmacrolatex component in genmp.c of fig2dev 3.2.7b allows attackers to cause a denial of service (DOS) via converting a xfig file into mp format.

When was CVE-2020-21678 disclosed?

CVE-2020-21678 was first published in the National Vulnerability Database on August 10, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-21678 actively exploited?

CVE-2020-21678 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 55.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-21678?

CVE-2020-21678 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2020-21678?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-21678, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-21678

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CVE-2020-21678

📅 Published

🔄 Last Modified

🔗 References (2)