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CVE-2025-58186
Good to know:
Date: October 7, 2025
In Go before 1.24.8 and 1.25.x before 1.25.2, Despite HTTP headers having a default limit of 1 MB, the number of cookies that can be parsed did 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.
Severity Score
Severity Score
Weakness Type (CWE)
Uncontrolled Resource Consumption
CWE-400Top Fix
Upgrade Version
Upgrade to version https://github.com/golang/go.git - go1.25.0;https://github.com/golang/go.git - go1.25.2
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | NONE |
| Availability (A): | HIGH |