Use of Uninitialized Resource Affecting md4c package, versions <0.4.5-2


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.09% (40th percentile)

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  • Snyk IDSNYK-DEBIAN12-MD4C-1553615
  • published30 Sept 2020
  • disclosed30 Sept 2020

Introduced: 30 Sep 2020

CVE-2020-26148  (opens in a new tab)
CWE-908  (opens in a new tab)

How to fix?

Upgrade Debian:12 md4c to version 0.4.5-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream md4c package and not the md4c package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

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.

CVSS Scores

version 3.1