CVE-2025-58181

low-risk

Published 2025-11-19

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.

Do I need to act?

0.04% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.3/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Crypto

Affected Vendors

Golang

References (4)

Patch https://go.dev/cl/721961

Issue Tracking https://go.dev/issue/76363

Mailing List https://groups.google.com/g/golang-announce/c/w-oX3UxNcZA

Vendor Advisory https://pkg.go.dev/vuln/GO-2025-4134

/ 100

low-risk

Severity 21/34 · High

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal