CVE-2025-47914
MEDIUM5.3EPSS 0.01%Malformed constraint may cause denial of service in golang.org/x/crypto/ssh/agent
Published: 11/19/2025Modified: 5/15/2026
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.
Affected packages (3)
- Debian/golang-go.cryptofrom 0
- Go/golang.org/x/cryptofrom 0, < 0.45.0
- Go/golang.org/x/cryptofrom 0, < 0.45.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
References (7)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-47914
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2025-47914
- WEBhttps://go.dev/cl/721960
- WEBhttps://go.dev/issue/76364
- WEBhttps://go.googlesource.com/crypto
- WEBhttps://groups.google.com/g/golang-announce/c/w-oX3UxNcZA
- WEBhttps://pkg.go.dev/vuln/GO-2025-4135