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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241	Patch Third Party Advisory
https://github.com/go-yaml/yaml/pull/375	Exploit Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html
https://pkg.go.dev/vuln/GO-2021-0061	Third Party Advisory
https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241	Patch Third Party Advisory
https://github.com/go-yaml/yaml/pull/375	Exploit Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html
https://pkg.go.dev/vuln/GO-2021-0061	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:yaml_project:yaml:*:*:*:*:*:go:*:*

History

21 Nov 2024, 06:37

Type	Values Removed	Values Added
References	~~() https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241 - Patch, Third Party Advisory~~	() https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241 - Patch, Third Party Advisory
References	~~() https://github.com/go-yaml/yaml/pull/375 - Exploit, Patch, Third Party Advisory~~	() https://github.com/go-yaml/yaml/pull/375 - Exploit, Patch, Third Party Advisory
References	~~() https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html -~~	() https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html -
References	~~() https://pkg.go.dev/vuln/GO-2021-0061 - Third Party Advisory~~	() https://pkg.go.dev/vuln/GO-2021-0061 - Third Party Advisory

06 Jul 2023, 00:15

Type	Values Removed	Values Added
References		(MISC) https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html -

Information

Published : 2022-12-27 22:15

Updated : 2025-04-11 17:15

NVD link : CVE-2021-4235

Mitre link : CVE-2021-4235

CVE.ORG link : CVE-2021-4235

JSON object : View

Products Affected

yaml_project

yaml

CWE

NVD-CWE-noinfo

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