Resource exhaustion in Go SSH
CVE-2025-22869
SSH servers which implement file transfer protocols are vulnerable to a denial of service attack from clients which complete the key exchange slowly, or not at all, causing pending content to be read into memory, but never transmitted.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (59.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000
Affected products
- Go SSH
- Golang.org/x/crypto Golang.org/x/crypto/ssh — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- go.dev/cl/652135 (Patch)
- go.dev/issue/71931 (Patch, Issue Tracking)
- pkg.go.dev/vuln/GO-2025-3487 (Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-22869?
- CVE-2025-22869 is a high-severity vulnerability in Go SSH, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-02-26.
- How severe is CVE-2025-22869?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2025-22869 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.