CVE-2025-58186
Published: October 9, 2025Last modified: December 23, 2025
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.3 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | LOW |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | go | Fixed (1.24.8-r0) |
| 25 LTS | go | Fixed (1.24.8-r0) | |
| Stream | go | Fixed (1.25.2-r0) | |
| Hardened Containers | 23 LTS | go | Fixed (1.24.8-r0) |
| 25 LTS | go | Fixed (1.24.8-r0) | |
| Stream | go | Fixed (1.25.2-r0) |