CVE-2021-23158 Information

Description

A flaw was found in htmldoc in v1.9.12. Double-free in function pspdf_export()in ps-pdf.cxx may result in a write-what-where condition allowing an attacker to execute arbitrary code and denial of service.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc https://bugzilla.redhat.com/show_bug.cgi?id=1967018 https://github.com/michaelrsweet/htmldoc/issues/414

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8