CVE Tools

CVE-2025-58181

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

Published: Nov 19, 2025Updated: Dec 11, 2025 Sources: CVE List NVD GHSA BDUCWE-770
5.3CVSSMEDIUM

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low

Weaknesses

Affected Products

golangoss-projectUSOSS Libraries
gopackage-ecosystemOSS Libraries
golang.org/x/cryptooss-projectOSS Librariesaka x/crypto, golang x crypto
the go projectoss-projectOSS Librariesaka go, golang-google-protobuf, crypto
and 1 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

and 7 more references View all →

Timeline

Published
Nov 19, 2025
Last Updated
Dec 11, 2025

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