VULNERABILITY

FreeBSD: VID-A8F1EE74-F267-11EF-87BA-002590C1F29C (CVE-2025-26466): FreeBSD -- Multiple vulnerabilities in OpenSSH

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FreeBSD: VID-A8F1EE74-F267-11EF-87BA-002590C1F29C (CVE-2025-26466): FreeBSD -- Multiple vulnerabilities in OpenSSH

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
02/21/2025
Created
03/12/2025
Added
03/10/2025
Modified
03/18/2025

Description

A flaw was found in the OpenSSH package. For each ping packet the SSH server receives, a pong packet is allocated in a memory buffer and stored in a queue of packages. It is only freed when the server/client key exchange has finished. A malicious client may keep sending such packages, leading to an uncontrolled increase in memory consumption on the server side. Consequently, the server may become unavailable, resulting in a denial of service attack.

Solution(s)

  • freebsd-upgrade-base-13_4-release-p4
  • freebsd-upgrade-base-14_1-release-p8
  • freebsd-upgrade-base-14_2-release-p2
  • freebsd-upgrade-package-openssh-portable
  • freebsd-upgrade-package-openssh-portable-gssapi
  • freebsd-upgrade-package-openssh-portable-hpn

References

  • CVE-2025-26466

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