Panic when decoding Float and Rat types in math/big

高危 7.5CVE-2022-32189 · BIT-golang-2022-32189 · GO-2022-0537 · Published 10/08/2022 · updated 08/10/2026

要点

CVE-2022-32189 是影响 stdlib, go (golang) 的高危 (CVSS 7.5)漏洞。
未来 30 天内被利用的概率（EPSS）：2.8%，高于 86.4% 的漏洞。
修复：升级到 1.18.5, 1.17.13 或更高版本。

Package	Affected versions	Patched versions
stdlib Go	`≥ 1.18.0-0, < 1.18.5< 1.17.13`	`1.18.51.17.13`
go golang	`≥ 1.18.0, < 1.18.5< 1.17.13`	`1.18.51.17.13`

Description

Decoding big.Float and big.Rat types can panic if the encoded message is too short, potentially allowing a denial of service.

NVD 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.

References

go.dev/cl/417774 · FIX
go.googlesource.com/go/+/055113ef364337607e3e72ed7d48df67fde6fc66 · FIX
go.dev/issue/53871 · REPORT
groups.google.com/g/golang-announce/c/YqYYG87xB10 · WEB
pkg.go.dev/vuln/GO-2022-0537 · Vendor Advisory

stdlib 的其他漏洞

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Package

Affected versions

Patched versions

stdlib

≥ 1.18.0-0, < 1.18.5< 1.17.13

1.18.51.17.13

golang

≥ 1.18.0, < 1.18.5< 1.17.13

1.18.51.17.13

Description

Decoding big.Float and big.Rat types can panic if the encoded message is too short, potentially allowing a denial of service.

NVD 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.

stdlib 的其他漏洞

查看全部 →