What’s Vulnerable › Vulnerabilities

CVE-2017-10908

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-12-22 · updated 2026-06-17
• Weakness: CWE-20

Description

H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via specially crafted HTTP/2 header.

Affected products

• h2o: through 2.2.3

References

• https://github.com/h2o/h2o/issues/1544
• https://jvn.jp/en/jp/JVN84182676/index.html
• https://github.com/h2o/h2o/issues/1544
• https://jvn.jp/en/jp/JVN84182676/index.html

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