CVE-2025-6497 MEDIUM

CVE-2025-6497: HTACG tidy-html5 parser.c prvTidyParseNamespace assertion

Vendor Htacg
Product tidy-html5
Weakness CWE-617
Published June 23, 2025
Last update June 23, 2025
View on NVD All CVEs

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 23, 2025 CVE published
June 23, 2025 Record updated