VULNERABILITY INTELLIGENCE

CVE-2019-11636

CVSS score7.5 HIGH
EPSS probability2.18%
CISA KEVNot currently listed
Published2019-05-01
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-254

Primary references