CVE-2025-6498 - CVE House
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Status published Medium CVE-2025-6498

HTACG tidy-html5 alloc.c defaultAlloc memory leak

Vulnerability Description

A vulnerability classified as problematic has been found in HTACG tidy-html5 5.8.0. Affected is the function defaultAlloc of the file src/alloc.c. The manipulation leads to memory leak. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • JJLeo (VulDB User)

Affected Vendor

Affected Software

tidy-html5
Vulnerable Versions:
5.8.0

Timeline

Official Publish: June 23rd, 2025
Last Modified: June 23rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Weaknesses (CWE)