Hi,

The following vulnerability was published for tidy-html5.

CVE-2025-6496[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-6496
https://www.cve.org/CVERecord?id=CVE-2025-6496
[1] https://github.com/htacg/tidy-html5/issues/1141

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore