CVE-2025-47914: medium-severity vulnerability in golang.org/x/crypto/ssh/agent
Malformed constraint may cause denial of service in golang.org/x/crypto/ssh/agent
Published · Updated
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 0.5%
exploitation probability
0.5%top 54% of all CVEs
observed exploitation
nono source reports it
SSH Agent servers do not validate the size of messages when processing new identity requests, which may cause the program to panic if the message is malformed due to an out of bounds read.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
golang.org/x/crypto · golang.org/x/crypto/ssh/agentRelated CVEs — golang.org/x/crypto/ssh/agent
In the same product, most dangerous first.
CVE-2026-39832CRITICALInvoking agent constraints dropped when forwarding keys in golang.org/x/crypto/ssh/agentEPSS 0.7%CVE-2025-47913HIGHPotential denial of service in golang.org/x/crypto/ssh/agentEPSS 0.7%CVE-2026-39833CRITICALInvoking key constraints not enforced in golang.org/x/crypto/ssh/agentEPSS 0.5%CVE-2026-46598MEDIUMInvoking pathological inputs can lead to client panic in golang.org/x/crypto/ssh/agentEPSS 0.4%