CVE-2025-6497 - CVE House
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Status published Medium CVE-2025-6497

HTACG tidy-html5 parser.c prvTidyParseNamespace assertion

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • JJLeo (VulDB User)

Affected Vendor

Affected Software

tidy-html5
Vulnerable Versions:
5.8.0

Timeline

Official Publish: June 23rd, 2025
Last Modified: June 23rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Weaknesses (CWE)