CVE-2025-6496 MEDIUM

CVE-2025-6496: HTACG tidy-html5 parser.c InsertNodeAsParent null pointer dereference

Vendor Htacg
Product tidy-html5
Weakness CWE-476
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 declared as problematic. This vulnerability affects the function InsertNodeAsParent of the file src/parser.c. The manipulation leads to null pointer dereference. Local access is required to approach this attack. 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