CVE-2019-11636

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.52%
Third-Party Advisory github.com Third-Party Advisory twitter.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/zcash/zcash/issues/3955 third party advisory
https://twitter.com/dukeleto/status/1120467430118232066 third party advisory
https://saplingwoodchipper.github.io

Frequently Asked Questions

What is the severity of CVE-2019-11636?
CVE-2019-11636 has been scored as a high severity vulnerability.
How to fix CVE-2019-11636?
To fix CVE-2019-11636, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11636 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-11636 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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