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CVE-2021-4235

Good to know:

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Date: December 27, 2022

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.

Language: Go

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2021-4235
https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html
https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241
https://pkg.go.dev/vuln/GO-2021-0061
https://github.com/go-yaml/yaml/pull/375
https://github.com/go-yaml/yaml
https://security-tracker.debian.org/tracker/CVE-2021-4235
https://www.mend.io/vulnerability-database/CVE-2021-4235

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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