CVE-2025-58181

Unbounded memory consumption in golang.org/x/crypto/ssh

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.

Patch Available

Fix available through Seal Security. No upgrade required, protect your application instantly.

Fix without upgrading

Score

5.3

Severity

Medium

Ecosystem

Publish Date

November 19, 2025

Modified Date

May 15, 2026

Score Vector

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

Affected Versions