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CVE-2021-4235

Denial of service in gopkg.in/yaml.v2

CVSS 5.5 MEDIUMEPSS 0.4%
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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected products
github.com/go-yaml/yaml · github.com/go-yaml/yamlgopkg.in/yaml.v2 · gopkg.in/yaml.v2

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References
https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241https://github.com/go-yaml/yaml/pull/375https://lists.debian.org/debian-lts-announce/2023/07/msg00001.htmlhttps://pkg.go.dev/vuln/GO-2021-0061