CVE-2022-28131: Stack exhaustion from deeply nested XML documents in encoding/xml

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-08-10 · updated 2026-06-17
Weakness: CWE-674

Description

Uncontrolled recursion in Decoder.Skip 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 a deeply nested XML document.

Affected products

Fedoraproject Fedora: 35
Go: before 1.17.12; from 1.18.0 before 1.18.4 — fixed in 1.17.12, 1.18.4
NetApp Cloud Insights Telegraf: all versions

How to fix

Upgrade to a fixed version: Go 1.17.12, 1.18.4. Check the vendor advisory for mitigations.

References

https://go.dev/cl/417062
https://go.dev/issue/53614
https://go.googlesource.com/go/+/08c46ed43d80bbb67cb904944ea3417989be4af3
https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE
https://pkg.go.dev/vuln/GO-2022-0521
https://go.dev/cl/417062
https://go.dev/issue/53614
https://go.googlesource.com/go/+/08c46ed43d80bbb67cb904944ea3417989be4af3
https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE
https://pkg.go.dev/vuln/GO-2022-0521

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