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VULNERABILITIES

CVE-2019-11636 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/zcash/zcash/issues/3955 CVEThird Party Advisory
https://saplingwoodchipper.github.io CVE
https://twitter.com/dukeleto/status/1120467430118232066 CVEThird Party Advisory
https://github.com/zcash/zcash/issues/3955 [email protected]Third Party Advisory
https://saplingwoodchipper.github.io [email protected]

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-2547PK - Security Features[email protected]

Affected Products

ProductVersions
z.cash zcash
>= 2.0.0, <= 2.0.4
2.0.5 rc1

CPE

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

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-11636
NVD Published Date:
May 1, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2019-11636 Details - Not Deferred