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Unrated severityOSV Advisory· Published Jan 28, 2026· Updated Jan 29, 2026

Memory exhaustion in query parameter parsing in net/url

CVE-2025-61726

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.

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Affected products

2192

Patches

Vulnerability mechanics

References

4

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