6 CVEs
h3 Vulnerabilities
CVE security advisories and vulnerability history for h3.
6
Total CVEs
Published
0
In CISA KEV
Exploited in the wild
4
Public exploits
With known exploit
6.4
Avg CVSS
2026–2026
Overview
h3 has 6 published CVE records since 2026, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 4 have a known public exploit. The average CVSS base score across scored CVEs is 6.4.
This page aggregates every publicly disclosed vulnerability (CVE) affecting h3 products, with severity breakdowns, the most-affected products, the most common weakness types, and the latest disclosures.
Severity and exploitation
How the CVSS severity of h3's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.
Critical0
High3
Medium2
Low1
In CISA’s Known Exploited Vulnerabilities catalog
0