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NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package github.com/go-yaml/yaml  (opens in a new tab)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMGOYAMLYAML-2952712
  • published17 Jul 2022
  • disclosed27 May 2022
  • creditBradley Kemp
Report a new vulnerability Found a mistake?

Introduced: 27 May 2022

CVE NOT AVAILABLE CWE-476  (opens in a new tab)

How to fix?

Upgrade github.com/go-yaml/yaml to version 3.0.1 or higher.

Amendment

This was deemed not a vulnerability.

Overview

github.com/go-yaml/yaml is a YAML support package for the Go language.

Affected versions of this package are vulnerable to NULL Pointer Dereference when parsing #\n-\n-\n0 via the parserc.go parser.

PoC

package main

import (
    "gopkg.in/yaml.v3"
)

func main() {
    var t interface{}
    yaml.Unmarshal([]byte("#\n-\n-\n0"), &t)
}