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.
https://pkg.go.dev/vuln/GO-2021-0061
https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241
https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html
https://github.com/go-yaml/yaml/pull/375
Source: Mitre, NVD
Published: 2022-12-27
Updated: 2025-04-11
Base Score: 4.9
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS: 0.00025