CVE-2022-30633

Stack exhaustion when unmarshaling certain documents in encoding/xml

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

Description

Uncontrolled recursion in Unmarshal in encoding/xml before Go 1.17.12 and Go 1.18.4 allows an attacker to cause a panic due to stack exhaustion via unmarshalling an XML document into a Go struct which has a nested field that uses the 'any' field tag.

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/xmlGo standard library	before 1.17.12Affected 1.18.0-0 to before 1.18.4Affected

References

https://go.dev/cl/417061
https://go.googlesource.com/go/+/c4c1993fd2a5b26fe45c09592af6d3388a3b2e08
https://go.dev/issue/53611
https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE
https://pkg.go.dev/vuln/GO-2022-0523

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.