CVE-2020-26148

PoC —

CVSS 3.1

7.5 high

EPSS

1%p71

Published

Sep 30, 2020 (Sep 30, 2020)

Modified

Jun 17, 2026

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.

Vendors: md4c project
Products: md4c
Weakness: CWE-908
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.4%)

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