CVE-2021-4235

Source
https://cve.org/CVERecord?id=CVE-2021-4235
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-4235.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-4235
Aliases
Downstream
Related
Published
2022-12-27T22:15:11.960Z
Modified
2026-04-12T02:01:42.293026Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector.

References

Affected packages

Git / github.com/go-yaml/yaml

Affected ranges

Type
GIT
Repo
https://github.com/go-yaml/yaml
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Database specific
{
    "cpe": "cpe:2.3:a:yaml_project:yaml:*:*:*:*:*:go:*:*",
    "source": [
        "CPE_FIELD",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.2.3"
        }
    ]
}

Affected versions

v2.*
v2.0.0
v2.1.0
v2.1.1
v2.2.0
v2.2.1
v2.2.2

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-4235.json"