CVE-2021-23180

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Published Mar 2, 2022 CVSS 3.1 · 7.8 High EPSS 1.4% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

htmldoc

affected

Version	Status	Constraints
`Fixed in htmldoc v1.9.12 and above.`	affected	—

Configuration 1 [-]

cpe:2.3:a:htmldoc_project:htmldoc:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
Debian DLA	DLA-2700-1	htmldoc security update
Debian DSA	DSA-4928-1	htmldoc security update
EUVD	EUVD-2021-10290	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.
Ubuntu USN	USN-5198-1	HTMLDOC vulnerability

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.4% (1.354% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://bugzilla.redhat.com/show_bug.cgi?id=1967041
https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751a
https://github.com/michaelrsweet/htmldoc/issues/418
https://ubuntu.com/security/CVE-2021-23180

History

No history.

Subscriptions

Htmldoc Project Htmldoc

Weaknesses

CWE-476

Sources

CVE record Updated: Aug 3, 2024, 7:05 PM

Status: PUBLISHED
Assigner: redhat
Published: Mar 2, 2022, 10:29 PM
Updated: Aug 3, 2024, 7:05 PM
Reserved: Apr 6, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:38 AM

Status: Modified
Published: Mar 2, 2022, 11:15 PM
Modified: Jun 17, 2026, 3:38 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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