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.
References (5)
Core 5
Core References
Permissions Required, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.313612
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.313612
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.601007
Issue Tracking issue-tracking
https://github.com/htacg/tidy-html5/issues/1141
Various Sources exploit
https://github.com/user-attachments/files/19652942/tidy-html5_crash.txt
Scores
CVSS v3
3.3
EPSS
0.0013
EPSS Percentile
3.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-404
CWE-476
Status
published
Products (1)
HTACG/tidy-html5
5.8.0
Published
Jun 23, 2025
Tracked Since
Feb 18, 2026