SSH Agent servers do not validate the size of messages when processing new identity requests, which may cause the program to panic if the message is malformed due to an out of bounds read.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00017.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Golang Subscribe
Crypto Subscribe
Ssh Subscribe

Configuration 1 [-]

cpe:2.3:a:golang:crypto:*:*:*:*:*:go:*:*

No data.

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Vendors Products
Golang Subscribe
Crypto Subscribe
Ssh Subscribe
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-f6x5-jh6r-wrfv golang.org/x/crypto/ssh/agent vulnerable to panic if message is malformed due to out of bounds read
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://go.dev/cl/721960 cve-icon cve-icon cve-icon
https://go.dev/issue/76364 cve-icon cve-icon cve-icon
https://groups.google.com/g/golang-announce/c/w-oX3UxNcZA cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-47914 cve-icon
https://pkg.go.dev/vuln/GO-2025-4135 cve-icon cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-47914 cve-icon
History

Thu, 18 Dec 2025 09:15:00 +0900

Type Values Removed Values Added
References
Metrics threat_severity

None

 threat_severity

Moderate

Fri, 12 Dec 2025 04:45:00 +0900

Type Values Removed Values Added
CPEs cpe:2.3:a:golang:crypto:*:*:*:*:*:go:*:*

Fri, 21 Nov 2025 18:30:00 +0900

Type Values Removed Values Added
First Time appeared Golang
Golang crypto
Golang ssh
Vendors & Products Golang
Golang crypto
Golang ssh

Fri, 21 Nov 2025 02:30:00 +0900

Type Values Removed Values Added
Title CVE-2025-47914 in golang.org/x/crypto/ssh/agent Malformed constraint may cause denial of service in golang.org/x/crypto/ssh/agent

Thu, 20 Nov 2025 06:15:00 +0900

Type Values Removed Values Added
Weaknesses CWE-125
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 20 Nov 2025 05:45:00 +0900

Type Values Removed Values Added
Description SSH Agent servers do not validate the size of messages when processing new identity requests, which may cause the program to panic if the message is malformed due to an out of bounds read.
Title CVE-2025-47914 in golang.org/x/crypto/ssh/agent
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Go

Published:

Updated: 2025-11-20T17:15:00.344Z

Reserved: 2025-05-13T23:31:29.597Z

Link: CVE-2025-47914

cve-icon Vulnrichment

Updated: 2025-11-19T20:50:22.359Z

cve-icon NVD

Status : Analyzed

Published: 2025-11-19T21:15:50.517

Modified: 2025-12-11T19:36:41.373

Link: CVE-2025-47914

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-11-19T20:33:43Z

Links: CVE-2025-47914 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-11-21T18:16:08Z

Weaknesses