Critical severity9.8NVD Advisory· Published Dec 14, 2020· Updated Jun 17, 2026

CVE-2020-29510

Description

The encoding/xml package in Go versions 1.15 and earlier does not correctly preserve the semantics of directives 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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Golang/Go2 versions
cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*range: <=1.15
- (no CPE)range: unspecified
NetApp/Trident
cpe:2.3:a:netapp:trident:-:*:*:*:*:*:*:*
Mattermost/xml-roundtrip-validatorllm-create
Go/encoding/xmlllm-fuzzy
Range: <=1.15
osv-coords
pkg:bitnami/golang
Range: < 1.15.1

Patches

Vulnerability mechanics

References

github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-directives.mdnvdThird Party Advisory
security.netapp.com/advisory/ntap-20210129-0006/nvdThird Party Advisory

News mentions

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cvss	0.637
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000