CVE-2021-4235

Source
https://nvd.nist.gov/vuln/detail/CVE-2021-4235
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-4235.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-4235
Aliases
Downstream
Related
Published
2022-12-27T22:15:11Z
Modified
2025-09-24T11:14:16.162291Z
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

Affected versions

v2.*

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