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CVE-2025-6496

Date: June 22, 2025

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.

Severity Score

Related Resources (7)

https://vuldb.com/?ctiid.313612
https://github.com/htacg/tidy-html5/issues/1141
https://vuldb.com/?id.313612
https://nvd.nist.gov/vuln/detail/CVE-2025-6496
https://github.com/user-attachments/files/19652942/tidy-html5_crash.txt
https://vuldb.com/?submit.601007
https://www.mend.io/vulnerability-database/CVE-2025-6496

Severity Score

Weakness Type (CWE)

Improper Resource Shutdown or Release

CWE-404

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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