High severity · published Feb 26, 2025
CVE-2025-22869
Potential denial of service in golang.org/x/crypto
7.5
CVSS
0.9%
EPSS
No
On KEV
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:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GO
golang.org/x/crypto/ssh · golang.org/x/crypto
before 0.35.0 · source: vendor
SS
Ssh · GO
before 0.35.0 · source: NVD
Affected product
GO
golang.org/x/crypto/ssh
golang.org/x/crypto
More from golang.org/x/crypto/ssh
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9.1
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Invoking infinite loop on large channel writes in golang.org/x/crypto/ssh
9.1
CVE-2026-39831
Invoking bypass of FIDO/U2F security keys physical interaction in golang.org/x/crypto/ssh
9.1
CVE-2026-39830
Invoking client can cause server deadlock on unexpected responses in golang.org/x/crypto/ssh
9.1
CVE-2024-45337
Misuse of connection.serverAuthenticate may cause authorization bypass in golang.org/x/crypto