CVE-2025-22869 — Allocation of Resources Without Limits or Throttling in X Crypto Golang.org X Crypto SSH

CWE-770 — Allocation of Resources Without Limits or Throttling10 documents8 sources
Severity
7.5HIGHNVD
EPSS
0.6%
top 30.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Golang.org X Crypto Golang.org X Crypto SSHGolang.org X CryptoGO SSH
Timeline
PublishedFeb 26
Latest updateApr 12

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶NVDgo/ssh< 0.35.0
▶Gogolang.org/x_crypto< 0.35.0

Patches

Patch: go.dev ↗Patch: go.dev ↗

🔴Vulnerability Details

5
GHSA
golang.org/x/crypto Vulnerable to Denial of Service (DoS) via Slow or Incomplete Key Exchange↗2025-04-12
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OSV
golang.org/x/crypto Vulnerable to Denial of Service (DoS) via Slow or Incomplete Key Exchange↗2025-04-12
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OSV
Potential denial of service in golang.org/x/crypto↗2025-02-26
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CVEList
Potential denial of service in golang.org/x/crypto↗2025-02-26
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OSV
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,↗2025-02-26
▶

📋Vendor Advisories

3
Red Hat
golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh↗2025-02-26
▶
Microsoft
Potential denial of service in golang.org/x/crypto↗2025-02-11
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Debian
CVE-2025-22869: golang-go.crypto - SSH servers which implement file transfer protocols are vulnerable to a denial o...↗2025
▶

💬Community

1
Bugzilla
CVE-2025-22869 vagrant: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh [fedora-41]↗2025-03-08
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CVE-2025-22869 — HIGH severity | cvebase