CVE-2021-4235

Published: Dec 27, 2022Modified: Apr 11, 2025

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

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.

Affected (1)

Products: Yaml Project: Yaml

Yaml Project

1 product

Yaml

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Yaml Project Yaml	Before 2.2.3

References (8)

https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241

Source: security@golang.org

PatchThird Party Advisory

https://github.com/go-yaml/yaml/pull/375

Source: security@golang.org

ExploitPatchThird Party Advisory

https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html

Source: security@golang.org

https://pkg.go.dev/vuln/GO-2021-0061

Source: security@golang.org

Third Party Advisory

https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241

Source: af854a3a-2127-422b-91ae-364da2661108

PatchThird Party Advisory

https://github.com/go-yaml/yaml/pull/375

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitPatchThird Party Advisory

https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html

Source: af854a3a-2127-422b-91ae-364da2661108

https://pkg.go.dev/vuln/GO-2021-0061

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.