Vulnerability Details CVE-2021-4235
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 6.5%
CVSS Severity
CVSS v3 Score 5.5
References
- 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
Products affected by CVE-2021-4235
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cpe:2.3:a:yaml_project:yaml:2.0.0
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cpe:2.3:a:yaml_project:yaml:2.1.0
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cpe:2.3:a:yaml_project:yaml:2.1.1
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cpe:2.3:a:yaml_project:yaml:2.2.0
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cpe:2.3:a:yaml_project:yaml:2.2.1
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cpe:2.3:a:yaml_project:yaml:2.2.2