CVE-2021-30027

MediumCVSS 5.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-908

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/mity/md4c/commit/4fc808d8fe8d8904f8525bb4231d854f45e23a19Patch, Third Party Advisory
https://github.com/mity/md4c/issues/155Exploit, Issue Tracking, Third Party Advisory
https://github.com/mity/md4c/commit/4fc808d8fe8d8904f8525bb4231d854f45e23a19Patch, Third Party Advisory
https://github.com/mity/md4c/issues/155Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Apr 29, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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