CVE-2019-11636 describes a denial-of-service vulnerability in Zcash 2.x, allowing an attacker to flood the network with transactions, effectively preventing legitimate transactions from being processed. With a CVSS score of 7.5 (HIGH), this attack requires no user interaction and can be executed remotely, leading to a complete denial of availability for the Zcash network. While the EPSS score is low and there's no evidence of active exploitation or public exploit code, the potential for a "Sapling Wood-Chipper" attack highlights a significant risk to the cryptocurrency's operational integrity.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.0.0, <= 2.0.4CPE matchmatch criteria | cpe:2.3:a:z.cash:zcash:*:*:*:*:*:*:*:* | ||
2.0.5CPE matchmatch criteria | cpe:2.3:a:z.cash:zcash:2.0.5:rc1:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.