CVE-2017-17497

HIGH EPSS 68.6%
Published Dec 10, 20178y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Dec 10, 2017 8y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
68.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety

Affected Products 1

VendorProductVersionRange
htacgtidy5.7.0any

References 1

  • github.com https://github.com/htacg/tidy-html5/issues/656
    Issue TrackingPatchThird Party Advisory

Remediation

  • github.com https://github.com/htacg/tidy-html5/issues/656
    Issue TrackingPatchThird Party Advisory