CVE-2017-17497

HIGH

htacg tidy 5.7.0 - Denial of Service via Head Node Processing

Title source: llm
STIX 2.1

Description

In Tidy 5.7.0, the prvTidyTidyMetaCharset function in clean.c allows attackers to cause a denial of service (Segmentation Fault), because the currentNode variable in the "children of the head" processing feature is modified in the loop without validating the new value.

References (1)

Core 1
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://github.com/htacg/tidy-html5/issues/656

Scores

CVSS v3 7.5
EPSS 0.0138
EPSS Percentile 68.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-119
Status published
Products (1)
htacg/tidy 5.7.0
Published Dec 10, 2017
Tracked Since Feb 18, 2026