CVE-2022-30635

Stack exhaustion when decoding certain messages in encoding/gob

State: Published
Severity: 7.5 High
Published: Aug 9, 2022
Updated: Mar 6, 2026
Reserved: May 12, 2022

Description

Uncontrolled recursion in Decoder.Decode in encoding/gob before Go 1.17.12 and Go 1.18.4 allows an attacker to cause a panic due to stack exhaustion via a message which contains deeply nested structures.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-674 Uncontrolled Recursion

Affected Products

Product	Versions
encoding/gobGo standard library	before 1.17.12Affected 1.18.0-0 to before 1.18.4Affected

References

https://go.dev/cl/417064
https://go.googlesource.com/go/+/6fa37e98ea4382bf881428ee0c150ce591500eb7
https://go.dev/issue/53615
https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE
https://pkg.go.dev/vuln/GO-2022-0526

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