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CVE-2021-23180

Published: 3 June 2021

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.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
htmldoc
Launchpad, Ubuntu, Debian
groovy Ignored
(end of life)
impish Not vulnerable
(1.9.11-4)
jammy Not vulnerable
(1.9.11-4)
bionic Not vulnerable

focal
Released (1.9.7-1ubuntu0.2)
hirsute
Released (1.9.11-2ubuntu0.1)
upstream
Released (1.9.11-4)
kinetic Not vulnerable
(1.9.11-4)
lunar Not vulnerable
(1.9.11-4)
trusty Needed

xenial Needed

mantic Not vulnerable
(1.9.11-4)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H