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I. Basic Information for CVE-2021-4235
Vulnerability Information
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Vulnerability Title
Denial of service in gopkg.in/yaml.v2
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Go-Yaml 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Go-Yaml是一种 Yaml 对 Go 语言的支持。使 Go 程序能够轻松地对 Yaml 值进行编码和解码。 Go-Yaml 存在安全漏洞，该漏洞源于无限制的别名追踪，恶意制作的 YAML 文件可能会导致系统消耗大量系统资源，如果解析用户输入，这可能会用作拒绝服务向量。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
gopkg.in/yaml.v2gopkg.in/yaml.v2 0 ~ 2.2.3 -
github.com/go-yaml/yamlgithub.com/go-yaml/yaml--
II. Public POCs for CVE-2021-4235
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III. Intelligence Information for CVE-2021-4235
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IV. Related Vulnerabilities
Same product: gopkg.in/yaml.v2
Same vendor: gopkg.in/yaml.v2
V. Comments for CVE-2021-4235

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