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CVE-2022-32189 A too-short encoded message can cause a panic in Float.GobDecode and Rat GobDecode in math/big in Go before 1.17.13…

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.

Affected products and versions

Product	Affected versions	Fixed in
math/big 1.18	1.18.0-0 → < 1.18.5	1.18.5
math/big 1.17	earliest → < 1.17.13	1.17.13

References

go.dev go.dev
go.googlesource.com go.googlesource.com
go.dev go.dev
groups.google.com groups.google.com
pkg.go.dev pkg.go.dev

Timeline

Published August 9, 2022
Last modified October 8, 2026

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