Vulnerability identifier: #VU54041

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-26948

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
HTMLDOC
Web applications / Modules and components for CMS

Vendor: Michael R Sweet

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted URI to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

HTMLDOC: 1.9 - 1.9.11

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External links
http://github.com/michaelrsweet/htmldoc/commit/008861d8339c6ec777e487770b70b95b1ed0c1d2
http://github.com/michaelrsweet/htmldoc/issues/410

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.