CVE-2016-4817 - Vulnerability Details - OpenCVE

Description

lib/http2/connection.c in H2O before 1.7.3 and 2.x before 2.0.0-beta5 mishandles HTTP/2 disconnection, which allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly execute arbitrary code via a crafted packet.

Published: 2016-06-19

Score: 7.5 High

EPSS: 8.0% Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:dena:h2o::::::::
	cpe:2.3:a:dena:h2o::beta4::::::*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2016-5799	lib/http2/connection.c in H2O before 1.7.3 and 2.x before 2.0.0-beta5 mishandles HTTP/2 disconnection, which allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly execute arbitrary code via a crafted packet.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.07964.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://jvn.jp/en/jp/JVN87859762/index.html
http://jvndb.jvn.jp/jvndb/JVNDB-2016-000091
https://github.com/h2o/h2o/commit/1c0808d580da09fdec5a9a74ff09e103ea058dd4
https://github.com/h2o/h2o/pull/920

History

No history.

Subscriptions

Dena H2o

MITRE

Status: PUBLISHED

Assigner: jpcert

Published: 2016-06-19T01:00:00.000Z

Updated: 2024-08-06T00:39:26.243Z

Reserved: 2016-05-17T00:00:00.000Z

Link: CVE-2016-4817

Vulnrichment

No data.

NVD

Status : Modified

Published: 2016-06-19T01:59:11.903

Modified: 2026-05-06T22:30:45.220

Link: CVE-2016-4817

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-Other

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