CVE-2019-11636

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CVSS 3.0

7.5 high

EPSS

2%p81

Published

May 1, 2019 (May 1, 2019)

Modified

Jun 17, 2026

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.

Vendors: z.cash
Products: zcash
Weakness: CWE-254
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (2.2%)

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