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CVE-2026-60002

High

Description

ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange. (This outcome occurs only on the client side.)

SeverityHigh
CVSS7.7
Exploit probability—
ProductOpenbsd Openssh
PublishedJul 8, 2026
First seenJul 8, 2026
Weakness typeCWE-416Use after free

How to fix

Update
  • openbsd openssh10.4 or later

Affected products

ProductAffected versionsFixed in
openbsd opensshv < 10.410.4

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