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CVE-2025-58181

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Date: November 19, 2025

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.

Severity Score

Related Resources (6)

https://pkg.go.dev/vuln/GO-2025-4134
https://nvd.nist.gov/vuln/detail/CVE-2025-58181
https://go.dev/cl/721961
https://go.dev/issue/76363
https://groups.google.com/g/golang-announce/c/w-oX3UxNcZA
https://www.mend.io/vulnerability-database/CVE-2025-58181

Severity Score

Weakness Type (CWE)

Allocation of Resources Without Limits or Throttling

CWE-770

Top Fix

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Upgrade Version

Upgrade to version golang.org/x/crypto - v0.45.0;golang.org/x/crypto - v0.45.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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