CVE Vulnerabilities

CVE-2021-30027

Use of Uninitialized Resource

Published: Apr 29, 2021 | Modified: May 09, 2021
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM

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.

Weakness

The product uses or accesses a resource that has not been initialized.

Affected Software

Name Vendor Start Version End Version
Md4c Md4c_project 0.4.7 (including) 0.4.7 (including)
Md4c Ubuntu groovy *
Md4c Ubuntu hirsute *
Md4c Ubuntu impish *
Md4c Ubuntu kinetic *
Md4c Ubuntu lunar *
Md4c Ubuntu mantic *
Md4c Ubuntu trusty *

Potential Mitigations

References