Medium severity5.5NVD Advisory· Published Apr 29, 2021· Updated Jun 17, 2026
CVE-2021-30027
CVE-2021-30027
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- cpe:2.3:a:md4c_project:md4c:0.4.7:*:*:*:*:*:*:*
- md4c/md4cdescription
Patches
Vulnerability mechanics
References
2- github.com/mity/md4c/commit/4fc808d8fe8d8904f8525bb4231d854f45e23a19nvdPatchThird Party Advisory
- github.com/mity/md4c/issues/155nvdExploitIssue TrackingThird Party Advisory
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