CVE-2021-4235
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
27/12/2022
Last modified:
11/04/2025
Description
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.
Impact
Base Score 3.x
5.50
Severity 3.x
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:yaml_project:yaml:*:*:*:*:*:go:*:* | 2.2.3 (excluding) |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241
- https://github.com/go-yaml/yaml/pull/375
- https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html
- https://pkg.go.dev/vuln/GO-2021-0061
- https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241
- https://github.com/go-yaml/yaml/pull/375
- https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html
- https://pkg.go.dev/vuln/GO-2021-0061



