CVE-2022-32189

Public Exploit

Panic when decoding Float and Rat types in math/big

Description

A too-short encoded message can cause a panic in Float.GobDecode and Rat GobDecode in math/big in Go before 1.17.13 and 1.18.5, potentially allowing a denial of service.

7.5

CVSS

Severity: High

CVSS 3.1 •

EPSS 0.09%

Vendor Advisory go.dev

Affected: Go standard library math/big

References

Link	Tags
https://go.dev/cl/417774	patch
https://go.googlesource.com/go/+/055113ef364337607e3e72ed7d48df67fde6fc66	mailing list patch
https://go.dev/issue/53871	third party advisory exploit
https://groups.google.com/g/golang-announce/c/YqYYG87xB10	third party advisory mailing list
https://pkg.go.dev/vuln/GO-2022-0537	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-32189?: CVE-2022-32189 has been scored as a high severity vulnerability.
How to fix CVE-2022-32189?: To fix CVE-2022-32189, 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-2022-32189 being actively exploited in the wild?: It is possible that CVE-2022-32189 is being exploited or will be exploited in a near future based on public information. 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-2022-32189?: CVE-2022-32189 affects Go standard library math/big.

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