CVE-2022-28366

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-2022-24839.

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.15%

Third-Party Advisory github.com Third-Party Advisory maven.org Third-Party Advisory sourceforge.net

Affected: n/a n/a

References

Link	Tags
https://github.com/nahsra/antisamy/releases/tag/v1.6.6	third party advisory release notes
https://search.maven.org/artifact/net.sourceforge.htmlunit/neko-htmlunit	third party advisory release notes
https://sourceforge.net/projects/htmlunit/files/htmlunit/2.27/	third party advisory release notes

Frequently Asked Questions

What is the severity of CVE-2022-28366?: CVE-2022-28366 has been scored as a high severity vulnerability.
How to fix CVE-2022-28366?: To fix CVE-2022-28366, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-28366 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-28366 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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