CVE-2017-17497
CVE-2017-17497 is a high-severity vulnerability in Htacg Tidy with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Htacg Tidy
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2017-17497?
- 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.
- How severe is CVE-2017-17497?
- CVE-2017-17497 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2017-17497 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-17497?
- CVE-2017-17497 affects Htacg Tidy. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-17497?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2017-17497 published?
- CVE-2017-17497 was published on 2017-12-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:htacg:tidy:5.7.0:*:*:*:*:*:*:*
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- CVE-2025-6498 — Low (CVSS 3.3): A vulnerability classified as problematic has been found in HTACG tidy-html5 5.8.0. Affected is the function…
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