CVE-2022-28366 Information

Description

Certain Neko-related HTML parsers allow a denial of service via crafted Processing Instruction (PI) input that causes excessive heap memory consumption. In particular this issue exists in HtmlUnit-Neko through 2.26 and is fixed in 2.27. This issue also exists in CyberNeko HTML through 1.9.22 (also affecting OWASP AntiSamy before 1.6.6) but 1.9.22 is the last version of CyberNeko HTML. NOTE: this may be related to CVE-2022-24939.

CVSS Vector

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

Reference

https://github.com/nahsra/antisamy/releases/tag/v1.6.6 https://sourceforge.net/projects/htmlunit/files/htmlunit/2.27/ https://search.maven.org/artifact/net.sourceforge.htmlunit/neko-htmlunit

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5