CVE-2021-23180

HIGH 7.8CVE-2021-23180 · Published 02/03/2022 · updated 17/06/2026

In short

CVE-2021-23180 is a HIGH (CVSS 7.8) vulnerability affecting htmldoc (htmldoc project).
Chance of exploitation in the next 30 days (EPSS): 1.4%, higher than 71.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
htmldoc htmldoc_project	`≤ 1.9.12`	No fix yet

Description

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.

References

bugzilla.redhat.com/show_bug.cgi · Issue Tracking
michaelrsweet/htmldoc commit 19c582f · Patch
michaelrsweet/htmldoc · Exploit
ubuntu.com/security/CVE-2021-23180 · Third Party Advisory

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Package

Affected versions

Patched versions

htmldoc

htmldoc_project

≤ 1.9.12

No fix yet

More vulnerabilities in htmldoc

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