CVE-2017-17497

FAUCET Score

CVE-2017-17497 is a denial-of-service vulnerability affecting Tidy 5.7.0, specifically within the prvTidyTidyMetaCharset function in clean.c, due to improper validation of the currentNode variable. This flaw allows an unauthenticated attacker to remotely trigger a segmentation fault, resulting in a high-severity denial of service with a CVSS score of 7.5. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		5.7.0CPE matchmatch criteria	cpe:2.3:a:htacg:tidy:5.7.0:::::::*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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 Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

3.9

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

1.38%

Probability of exploitation in next 30 days

EPSS Percentile

69.2%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0138 is in the 50th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference

View patch

Vendor Advisories (1)

redhatCVE-2017-17497Low

tidy: Segmentation fault in the prvTidyTidyMetaCharset function

Dec 9, 2017

References

github.com / htacg/tidy-html5/issues/656

Issue TrackingPatchThird Party Advisory