VulnerabilityModified
CVE-2021-30027
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.
MEDIUM 5.5EPSS 0.70%
Does this matter?
Lower severity and a low EPSS score (0.70%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.70% probability · 51th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-908
- Affected
- md4c project/md4c
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.