Vulnerability · NVD

CVE-2025-26465

CVE-2025-26465 : medium severity (CVSS 6.8). No tracked catalog app is linked to this CVE.

Severity (CVSS): 6.8
Exploitation: 7.7 %
Tracked apps: 0
Still exposed: 0

Published on 2025-02-18

A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying the host key. For an attack to be considered successful, the attacker needs to manage to exhaust the client's memory resource first, turning the attack complexity high.

Attack vector : Network No privileges required

Show raw CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

EPSS 7.72% above median percentile 94.4%

OS versions that fix this CVE

This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.

macOS Fixed in 15.5 14.7.6

View on NVD ↗ Advisory · ftp.openbsd.org Advisory · www.vicarius.io

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