CVE-2021-41121

Memory corruption in Vyper

Description

Vyper is a Pythonic Smart Contract Language for the EVM. In affected versions when performing a function call inside a literal struct, there is a memory corruption issue that occurs because of an incorrect pointer to the the top of the stack. This issue has been resolved in version 0.3.0.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.42%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: vyperlang vyper
Published at:
Updated at:

References

Link Tags
https://github.com/vyperlang/vyper/pull/2447 third party advisory patch
https://github.com/vyperlang/vyper/security/advisories/GHSA-xv8x-pr4h-73jv third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-41121?
CVE-2021-41121 has been scored as a high severity vulnerability.
How to fix CVE-2021-41121?
To fix CVE-2021-41121, 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-2021-41121 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-41121 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-41121?
CVE-2021-41121 affects vyperlang vyper.
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