CVE-2025-6496

LOW EPSS 3.3%
Published Jun 23, 20251y ago · Modified Jun 17, 20261w ago
1.9 CVSS 4.0
Low
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Published Jun 23, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
1.9
Exploitability
—
Impact
—
Vector string
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
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
3.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-404
CWE-476 NULL Pointer Dereference Memory Safety

References 5

  • github.com https://github.com/htacg/tidy-html5/issues/1141
  • github.com https://github.com/user-attachments/files/19652942/tidy-html5_crash.txt
  • vuldb.com https://vuldb.com/?ctiid.313612
  • vuldb.com https://vuldb.com/?id.313612
  • vuldb.com https://vuldb.com/?submit.601007

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.