Potential denial of service in golang.org/x/crypto/ssh/agent

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-47913
StatePUBLISHED
AssignerGo
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-11-13 22:15:51 UTC
Updated2026-10-18 20:10:00 UTC
DescriptionSSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from ADP

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

EPSS: 0.006680000 probability, percentile 0.509230000 (date 2026-10-18)

Problem Types: CWE-617 | CWE-703: Improper Handling of Exceptional Conditions

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Go Ssh All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Golang.orgxcrypto Golang.org/x/crypto/ssh/agent affected 0.43.0 semver Not specified

References

ReferenceSourceLinkTags
go.dev/cl/700295 [email protected] go.dev Patch
pkg.go.dev/vuln/GO-2025-4116 [email protected] pkg.go.dev Vendor Advisory
go.dev/issue/75178 [email protected] go.dev Exploit, Issue Tracking
github.com/advisories/GHSA-56w8-48fp-6mgv [email protected] github.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Jakub Ciolek (en)

CNA: Nicola Murino (en)

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