CVE-2017-10868

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Summary

CVECVE-2017-10868
StatePUBLISHED
Assignerjpcert
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-12-22 14:29:12 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionH2O version 2.2.2 and earlier allows remote attackers to cause a denial of service in the server via specially crafted HTTP/1 header.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.012180000 probability, percentile 0.792540000 (date 2026-05-19)

Problem Types: CWE-20 | Denial-of-service (DoS)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Dena H2o All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Kazuho Oku H2O affected version 2.2.2 and earlier Not specified

References

ReferenceSourceLinkTags
fix crash when receiving request with invalid framing (CVE-2017-10868) · Issue #1459 · h2o/h2o · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Third Party Advisory
JVN#84182676: Multiple vulnerabilities in H2O af854a3a-2127-422b-91ae-364da2661108 jvn.jp Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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