CVE-2020-29511

MediumCVSS 5.6/10Last modified Jun 17, 2026

Description

The encoding/xml package in Go (all versions) does not correctly preserve the semantics of element namespace prefixes during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.

Metrics

CVSS 3.1 5.6/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

CWE-115

Affected software

Vendor	Product	Versions
Golang	Go	All versions

References

https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-elements.mdThird Party Advisory
https://security.netapp.com/advisory/ntap-20210129-0006/Third Party Advisory
https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-elements.mdThird Party Advisory
https://security.netapp.com/advisory/ntap-20210129-0006/Third Party Advisory

Timeline

Published: Dec 14, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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