VULNERABILITY INTELLIGENCE

CVE-2021-30027

CVSS score5.5 MEDIUM

EPSS probability0.70%

CISA KEVNot currently listed

Published2021-04-29

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

md_analyze_line in md4c.c in md4c 0.4.7 allows attackers to trigger use of uninitialized memory, and cause a denial of service via a malformed Markdown document.

Weakness classification

nvd@nist.gov: CWE-908

Primary references

cve@mitre.org — Patch, Third Party Advisory
cve@mitre.org — Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory