CVE-2016-4817

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Published Jun 19, 2016 CVSS 3.0 · 7.5 High EPSS 4.4% KEV · Not listed

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.

Affected Products

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 solution or workaround provided in the CVE record

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.

Metrics

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.

Exploit prediction score: 4.4% (4.448% probability within 30 days)

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

Weaknesses

NVD-CWE-Other

Sources

CVE record Updated: Aug 6, 2024, 12:39 AM

Status: PUBLISHED
Assigner: jpcert
Published: Jun 19, 2016, 1:00 AM
Updated: Aug 6, 2024, 12:39 AM
Reserved: May 17, 2016, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 12:48 AM

Status: Modified
Published: Jun 19, 2016, 1:59 AM
Modified: Jun 17, 2026, 12:48 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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