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CVE-2022-24787

HIGH
Published 2022-04-04T17:35:10.000Z
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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.336
Higher than 33.6% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Description

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine. In version 0.3.1 and prior, bytestrings can have dirty bytes in them, resulting in the word-for-word comparisons giving incorrect results. Even without dirty nonzero bytes, two bytestrings can compare to equal if one ends with `"\x00"` because there is no comparison of the length. A patch is available and expected to be part of the 0.3.2 release. There are currently no known workarounds.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

vyperlang

vyper

Affected Versions:

<= 0.3.1

References

https://github.com/vyperlang/vyper/security/advisories/GHSA-7vrm-3jc8-5wwm
https://github.com/vyperlang/vyper/commit/2c73f8352635c0a433423a5b94740de1a118e508
Published: 2022-04-04T17:35:10.000Z
Last Modified: 2025-04-23T18:41:56.894Z
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