Allocation of Resources Without Limits or Throttling Affecting openssh-portable package, versions [,9.9p2)
Threat Intelligence
Exploit Maturity
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- published20 Feb 2025
- disclosed17 Feb 2025
- creditQualys Security
Introduced: 17 Feb 2025
NewCVE-2025-26466 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade openssh-portable to version 9.9p2 or higher.
Overview
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the ssh_packet_read_poll_seqnr() function in packet.c. Ping packets (SSH2_MSG_PING) received without authentication buffer but neither send nor free PONG responses, which can consume unlimited resources (memory and CPU).