Description
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.
References (4)
Core 4
Core References
Patch
https://go.dev/cl/721960
Issue Tracking, Patch
https://go.dev/issue/76364
Vendor Advisory
https://pkg.go.dev/vuln/GO-2025-4135
Scores
CVSS v3
5.3
EPSS
0.0001
EPSS Percentile
2.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Products (2)
golang/crypto
< 0.45.0
x/crypto
0 - 0.45.0Go
Published
Nov 19, 2025
Tracked Since
Feb 18, 2026