CVEvulnerability
CVE-2019-11636
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2019-05-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-254
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 configurations
• z.cash zcash (>= 2.0.0 <= 2.0.4)
• z.cash zcash 2.0.5
Related
Weakness · not in database (1)
References
- https://github.com/zcash/zcash/issues/3955 Third Party Advisory
- https://saplingwoodchipper.github.io saplingwoodchipper.github.io
- https://twitter.com/dukeleto/status/1120467430118232066 Third Party Advisory
- https://github.com/zcash/zcash/issues/3955 Third Party Advisory
- https://saplingwoodchipper.github.io saplingwoodchipper.github.io
- https://twitter.com/dukeleto/status/1120467430118232066 Third Party Advisory