CVE-2025-58186 — Lack of limit when parsing cookies can cause memory exhaustion in net/http

Affected: Go standard library net/http

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.

Most recent entries from all

CVE-2025-58186 — Lack of limit when parsing cookies can cause memory exhaustion in net/http