NULL Pointer Dereference Affecting htmldoc package, versions <1.9.11-4


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.18% (57th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-HTMLDOC-1299889
  • published3 Jun 2021
  • disclosed2 Mar 2022

Introduced: 3 Jun 2021

CVE-2021-23180  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Debian:unstable htmldoc to version 1.9.11-4 or higher.

NVD Description

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

A flaw was found in htmldoc in v1.9.12 and before. Null pointer dereference in file_extension(),in file.c may lead to execute arbitrary code and denial of service.

CVSS Scores

version 3.1