Description

Despite HTTP headers having a default limit of 1MB, the number of cookies that can be parsed does not have a limit. By sending a lot of very small cookies such as "a=;", an attacker can make an HTTP server allocate a large amount of structs, causing large memory consumption.

INFO

Published Date :

2025-10-29T22:10:13.912Z

Last Modified :

2025-11-04T21:13:35.468Z

Source :

Go
AFFECTED PRODUCTS

The following products are affected by CVE-2025-58186 vulnerability.

Vendors Products
Golang
  • Net
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-58186.

URL Resource
https://go.dev/cl/709855 cve-icon cve-icon
https://go.dev/issue/75672 cve-icon cve-icon
https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI cve-icon cve-icon
https://pkg.go.dev/vuln/GO-2025-4012 cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact