Description
md_push_block_bytes in md4c.c in md4c 0.4.5 allows attackers to trigger use of uninitialized memory, and cause a denial of service (e.g., assertion failure) via a malformed Markdown document.
References (1)
Core 1
Core References
Exploit, Patch, Third Party Advisory x_refsource_misc
https://github.com/mity/md4c/issues/130
Scores
CVSS v3
7.5
EPSS
0.0141
EPSS Percentile
69.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-908
Status
published
Products (1)
md4c_project/md4c
0.4.5
Published
Sep 30, 2020
Tracked Since
Feb 18, 2026