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.
EPSS: 0.009 (54.2th percentile) — read the EPSS interpretation.
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.
Affected products
- Go Ssh
- Golang.org/x/crypto Golang.org/x/crypto/ssh — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@golang.org (Patch)
- security@golang.org (Patch, Issue Tracking)
- security@golang.org (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.