CVE-2019-11636

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Published May 1, 2019 CVSS 3.0 · 7.5 High EPSS 2.2% KEV · Not listed

Description

Zcash 2.x allows an inexpensive approach to "fill all transactions of all blocks" and "prevent any real transaction from occurring" via a "Sapling Wood-Chipper" attack.

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:z.cash:zcash::::::::
	cpe:2.3:a:z.cash:zcash:2.0.5:rc1::::::

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-2019-3306	Zcash 2.x allows an inexpensive approach to "fill all transactions of all blocks" and "prevent any real transaction from occurring" via a "Sapling Wood-Chipper" attack.

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: 2.2% (2.180% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/zcash/zcash/issues/3955
https://saplingwoodchipper.github.io
https://twitter.com/dukeleto/status/1120467430118232066

History

No history.

Subscriptions

Z.cash Zcash

Weaknesses

CWE-254

Sources

CVE record Updated: Aug 4, 2024, 10:55 PM

Status: PUBLISHED
Assigner: mitre
Published: May 1, 2019, 4:21 PM
Updated: Aug 4, 2024, 10:55 PM
Reserved: May 1, 2019, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:13 AM

Status: Modified
Published: May 1, 2019, 5:29 PM
Modified: Jun 17, 2026, 2:13 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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