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CVE-2021-4235 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-4235
NVD Published Date:
12/27/2022
NVD Last Modified:
11/21/2024
Source:
Go Project