CVE-2017-13692

HIGH

Tidy 5.5.31 - Denial of Service via Invalid ISALNUM Argument

Title source: llm
STIX 2.1

Description

In Tidy 5.5.31, the IsURLCodePoint function in attrs.c allows attackers to cause a denial of service (Segmentation Fault), as demonstrated by an invalid ISALNUM argument.

References (2)

Core 2
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://github.com/htacg/tidy-html5/issues/588
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/100506

Scores

CVSS v3 7.5
EPSS 0.0115
EPSS Percentile 63.0%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-20
Status published
Products (1)
htacg/tidy 5.5.31
Published Aug 25, 2017
Tracked Since Feb 18, 2026