CVE-2025-61726
HIGHCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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3Tags
Description
The net/url package does not set a limit on the number of query parameters in a query. While the maximum size of query parameters in URLs is generally limited by the maximum request header size, the net/http.Request.ParseForm method can parse large URL-encoded forms. Parsing a large form containing many unique query parameters can cause excessive memory consumption.
Analysis
The net/url package does not set a limit on the number of query parameters in a query. While the maximum size of query parameters in URLs is generally limited by the maximum request header size, the net/http.Request.ParseForm method can parse large URL-encoded forms. [CVSS 7.5 HIGH]
Technical Context
Classified as CWE-770 (Allocation of Resources Without Limits or Throttling). Affects Go. The net/url package does not set a limit on the number of query parameters in a query. While the maximum size of query parameters in URLs is generally limited by the maximum request header size, the net/http.Request.ParseForm method can parse large URL-encoded forms. Parsing a large form containing many unique query parameters can cause excessive memory consumption.
Affected Products
Vendor: Golang. Product: Go.
Remediation
A vendor patch is available — apply it immediately. Restrict network access to the affected service where possible.
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External POC / Exploit Code
Leaving vuln.today