CVE-2022-32189

Panic when decoding Float and Rat types in math/big

State: Published
Severity: Not scored
Published: Aug 9, 2022
Updated: Oct 8, 2026
Reserved: May 31, 2022

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
math/bigGo standard library	before 1.17.13Affected 1.18.0-0 to before 1.18.5Affected

References

https://go.dev/cl/417774
https://go.googlesource.com/go/+/055113ef364337607e3e72ed7d48df67fde6fc66
https://go.dev/issue/53871
https://groups.google.com/g/golang-announce/c/YqYYG87xB10
https://pkg.go.dev/vuln/GO-2022-0537

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