CVE-2025-58181 in golang.org/x/crypto/ssh_CVE-2025-58181

5.3 / 10

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Description

SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption.

Basic Information

ID CVE-2025-58181

Source Go

Published Nov 19, 2025 at 20:33

Modified Nov 19, 2025 at 20:49

Affected Product

Vendor golang.org/x/crypto

Product golang.org/x/crypto/ssh

CWE Classification

CWE-770

References

{
    "lastseen": "",
    "description": "SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption.",
    "published": "2025-11-19T20:33:42.795Z",
    "modified": "2025-11-19T20:49:26.800Z",
    "type": "cve",
    "title": "CVE-2025-58181 in golang.org/x/crypto/ssh",
    "source": "Go",
    "references": "https://groups.google.com/g/golang-announce/c/w-oX3UxNcZA\nhttps://go.dev/cl/721961\nhttps://go.dev/issue/76363\nhttps://pkg.go.dev/vuln/GO-2025-4134",
    "id": "CVE-2025-58181",
    "bulletinFamily": "",
    "cwe": [
        "CWE-770"
    ],
    "cvelist": null,
    "sourceData": "",
    "sourceHref": "",
    "cvss": {
        "score": 5.3,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "golang.org/x/crypto/ssh",
    "version": "",
    "vendor": "golang.org/x/crypto",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}