What is CVE-2025-58181?

CVE-2025-58181 is a medium-severity vulnerability in Golang Crypto, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2025-11-19.

How severe is CVE-2025-58181?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in Golang Crypto

CVE-2025-58181

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.

EPSS: 0.006 (43.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Golang Crypto
Golang.org/x/crypto Golang.org/x/crypto/ssh — versions 0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security@golang.org (Mailing List)
security@golang.org (Patch)
security@golang.org (Issue Tracking)
security@golang.org (Vendor Advisory)

Frequently asked questions

What is CVE-2025-58181?: CVE-2025-58181 is a medium-severity vulnerability in Golang Crypto, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2025-11-19.
How severe is CVE-2025-58181?: Medium severity. CVSS v3 base score is 5.3 out of 10.