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CVE-2025-6497 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

A vulnerability was found in HTACG tidy-html5 5.8.0. It has been rated as problematic. This issue affects the function prvTidyParseNamespace of the file src/parser.c. The manipulation leads to reachable assertion. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:6.2 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CNA: [email protected]CVSS-B:3.3 LOWVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/htacg/tidy-html5/issues/1142	[email protected]	ExploitIssue TrackingTechnical DescriptionVendor
https://github.com/user-attachments/files/19825297/tidy-html5_crash_2.txt	[email protected]	Broken LinkExploit
https://vuldb.com/?ctiid.313613	[email protected]	AdvisoryPermission Required
https://vuldb.com/?id.313613	[email protected]	AdvisoryExploitPartial Content
https://vuldb.com/?submit.601008	[email protected]	Technical Description

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-617	Reachable Assertion	[email protected]

Affected Products

Product	Versions
HTACG tidy-html5	All versions
CPE No CPEs found in CPE dictionary for this product. Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 29, 2026	Data Remediation	[email protected]
Jun 23, 2025	New CVE Received	[email protected]