SecuriTricks - CVE-2025-6496

Description

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.

Product(s) Impacted

Vendor	Product	Versions
Htacg	Tidy-html5	5.8.0

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-404

Improper Resource Shutdown or Release

The product does not release or incorrectly releases a resource before it is made available for re-use.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	htacg	tidy-html5	5.8.0	/	/	/	/	/	/	/

References

https://github.com/htacg/tidy-html5/issues/1141

https://github.com/user-attachments/files/19652942/tidy-html5_crash.txt

https://vuldb.com/?ctiid.313612

https://vuldb.com/?id.313612

https://vuldb.com/?submit.601007

CVSS Score

4.8 / 10

CVSS Data - 4.0

Attack Vector: LOCAL
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: LOW
User Interaction: NONE
Scope:
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: LOW
Exploit Maturity: PROOF_OF_CONCEPT

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: June 23, 2025, 12:15 a.m.
Last Modified: June 23, 2025, 8:16 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cna@vuldb.com

CVE-2025-6496