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Review reviewHigh

CVE-2025-61726

Go standard library net/url, Cryostat 4 on RHEL 9, HawtIO HawtIO 4.3.1

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.

CVSS
7.5
EPSS
1.94%
78.2% percentile
CISA KEV
Not listed
Published
2026.01.29
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability1.94%
Technical severityCVSS 7.5

Vulnerability overview

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 product and versions

Product
Go standard library net/url, Cryostat 4 on RHEL 9, HawtIO HawtIO 4.3.1
Affected versions
< 1.24.12, >= 1.25.0 < 1.25.6
Fixed versions
1.24.12, 1.25.6

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Go standard library net/url, Cryostat 4 on RHEL 9, HawtIO HawtIO 4.3.1 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
CWE-770