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CVE-2025-22869

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductGo Ssh
PublishedFeb 26, 2025
First seenFeb 26, 2025
Weakness typeCWE-770Allocation of resources without limits

How to fix

Update
  • go ssh0.35.0 or later
  • golang.org/x/crypto0.35.0 or later

Affected products

ProductAffected versionsFixed in
go sshv < 0.35.00.35.0
golang.org/x/cryptoGov < 0.35.00.35.0

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