{"id":"EEF-CVE-2025-48041","summary":"SSH_FXP_OPENDIR may Lead to Exhaustion of File Handles","details":"## Summary\n\nAllocation of Resources Without Limits or Throttling vulnerability in Erlang OTP ssh (ssh_sftp modules) allows Excessive Allocation, Flooding. This vulnerability is associated with program files lib/ssh/src/ssh_sftpd.erl.\n\nThis issue affects OTP form OTP 17.0 until OTP 28.0.3, OTP 27.3.4.3 and 26.2.5.15 corresponding to ssh from 3.0.1 until 5.3.3, 5.2.11.3 and 5.1.4.12.\n\n## Workaround\n\n*  disabling SFTP\n  *  limiting number of max_sessions allowed for sshd, so exploiting becomes more complicated\n\n## Configuration\n\nThe SFTP subsystem must be enabled on the SSH server and the SSH port must be reachable by the attacker. SFTP is enabled by default unless explicitly disabled by setting {subsystems, []} in the SSH daemon configuration.","aliases":["CVE-2025-48041","GHSA-79c4-cvv7-4qm3"],"modified":"2026-04-07T15:00:15.620953Z","published":"2025-09-11T08:14:20.508Z","database_specific":{"cpe_ids":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"capec_ids":["CAPEC-130","CAPEC-125"],"cwe_ids":["CWE-770","CWE-400"]},"references":[{"type":"ADVISORY","url":"https://github.com/erlang/otp/security/advisories/GHSA-79c4-cvv7-4qm3"},{"type":"WEB","url":"https://cna.erlef.org/cves/CVE-2025-48041.html"},{"type":"WEB","url":"https://www.erlang.org/doc/system/versions.html#order-of-versions"},{"type":"FIX","url":"https://github.com/erlang/otp/pull/10157"},{"type":"FIX","url":"https://github.com/erlang/otp/commit/5f9af63eec4657a37663828d206517828cb9f288"},{"type":"FIX","url":"https://github.com/erlang/otp/commit/d49efa2d4fa9e6f7ee658719cd76ffe7a33c2401"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/erlang/otp","events":[{"introduced":"07b8f441ca711f9812fad9e9115bab3c3aa92f79"},{"fixed":"5f9af63eec4657a37663828d206517828cb9f288"},{"fixed":"d49efa2d4fa9e6f7ee658719cd76ffe7a33c2401"}]}],"versions":["OTP-17.0","OTP-17.0.1","OTP-17.0.2","OTP-17.1","OTP-17.1.1","OTP-17.1.2","OTP-17.2","OTP-17.2.1","OTP-17.2.2","OTP-17.3","OTP-17.3.1","OTP-17.3.2","OTP-17.3.3","OTP-17.3.4","OTP-17.4","OTP-17.4.1","OTP-17.5","OTP-17.5.1","OTP-17.5.2","OTP-17.5.3","OTP-17.5.4","OTP-17.5.5","OTP-17.5.6","OTP-17.5.6.1","OTP-17.5.6.10","OTP-17.5.6.2","OTP-17.5.6.3","OTP-17.5.6.4","OTP-17.5.6.5","OTP-17.5.6.6","OTP-17.5.6.7","OTP-17.5.6.8","OTP-17.5.6.9","OTP-18.0","OTP-18.0-rc1","OTP-18.0-rc2","OTP-18.0.1","OTP-18.0.2","OTP-18.0.3","OTP-18.1","OTP-18.1.1","OTP-18.1.2","OTP-18.1.3","OTP-18.1.4","OTP-18.1.5","OTP-18.2","OTP-18.2.1","OTP-18.2.2","OTP-18.2.3","OTP-18.2.4","OTP-18.2.4.0.1","OTP-18.2.4.1","OTP-18.3","OTP-18.3.1","OTP-18.3.2","OTP-18.3.3","OTP-18.3.4","OTP-18.3.4.1","OTP-18.3.4.1.1","OTP-18.3.4.10","OTP-18.3.4.11","OTP-18.3.4.2","OTP-18.3.4.3","OTP-18.3.4.4","OTP-18.3.4.5","OTP-18.3.4.6","OTP-18.3.4.7","OTP-18.3.4.8","OTP-18.3.4.9","OTP-19.0","OTP-19.0-rc1","OTP-19.0-rc2","OTP-19.0.1","OTP-19.0.2","OTP-19.0.3","OTP-19.0.4","OTP-19.0.5","OTP-19.0.6","OTP-19.0.7","OTP-19.1","OTP-19.1.1","OTP-19.1.2","OTP-19.1.3","OTP-19.1.4","OTP-19.1.5","OTP-19.1.6","OTP-19.1.6.1","OTP-19.2","OTP-19.2.1","OTP-19.2.2","OTP-19.2.3","OTP-19.2.3.1","OTP-19.3","OTP-19.3.1","OTP-19.3.2","OTP-19.3.3","OTP-19.3.4","OTP-19.3.5","OTP-19.3.6","OTP-19.3.6.1","OTP-19.3.6.10","OTP-19.3.6.11","OTP-19.3.6.12","OTP-19.3.6.13","OTP-19.3.6.2","OTP-19.3.6.3","OTP-19.3.6.4","OTP-19.3.6.5","OTP-19.3.6.6","OTP-19.3.6.7","OTP-19.3.6.8","OTP-19.3.6.9","OTP-20.0","OTP-20.0-rc1","OTP-20.0-rc2","OTP-20.0.1","OTP-20.0.2","OTP-20.0.3","OTP-20.0.4","OTP-20.0.5","OTP-20.1","OTP-20.1.1","OTP-20.1.2","OTP-20.1.3","OTP-20.1.4","OTP-20.1.5","OTP-20.1.6","OTP-20.1.7","OTP-20.1.7.1","OTP-20.2","OTP-20.2.0.1","OTP-20.2.1","OTP-20.2.2","OTP-20.2.3","OTP-20.2.4","OTP-20.3","OTP-20.3.1","OTP-20.3.2","OTP-20.3.2.1","OTP-20.3.3","OTP-20.3.4","OTP-20.3.5","OTP-20.3.6","OTP-20.3.7","OTP-20.3.8","OTP-20.3.8.1","OTP-20.3.8.10","OTP-20.3.8.11","OTP-20.3.8.12","OTP-20.3.8.13","OTP-20.3.8.14","OTP-20.3.8.15","OTP-20.3.8.16","OTP-20.3.8.17","OTP-20.3.8.18","OTP-20.3.8.19","OTP-20.3.8.2","OTP-20.3.8.20","OTP-20.3.8.21","OTP-20.3.8.22","OTP-20.3.8.23","OTP-20.3.8.24","OTP-20.3.8.25","OTP-20.3.8.26","OTP-20.3.8.3","OTP-20.3.8.4","OTP-20.3.8.5","OTP-20.3.8.6","OTP-20.3.8.7","OTP-20.3.8.8","OTP-20.3.8.9","OTP-21.0","OTP-21.0-rc1","OTP-21.0-rc2","OTP-21.0.1","OTP-21.0.2","OTP-21.0.3","OTP-21.0.4","OTP-21.0.5","OTP-21.0.6","OTP-21.0.7","OTP-21.0.8","OTP-21.0.9","OTP-21.1","OTP-21.1.1","OTP-21.1.2","OTP-21.1.3","OTP-21.1.4","OTP-21.2","OTP-21.2.1","OTP-21.2.2","OTP-21.2.3","OTP-21.2.4","OTP-21.2.5","OTP-21.2.6","OTP-21.2.7","OTP-21.3","OTP-21.3.1","OTP-21.3.2","OTP-21.3.3","OTP-21.3.4","OTP-21.3.5","OTP-21.3.6","OTP-21.3.7","OTP-21.3.7.1","OTP-21.3.8","OTP-21.3.8.1","OTP-21.3.8.10","OTP-21.3.8.11","OTP-21.3.8.12","OTP-21.3.8.13","OTP-21.3.8.14","OTP-21.3.8.15","OTP-21.3.8.16","OTP-21.3.8.17","OTP-21.3.8.18","OTP-21.3.8.19","OTP-21.3.8.2","OTP-21.3.8.20","OTP-21.3.8.21","OTP-21.3.8.22","OTP-21.3.8.23","OTP-21.3.8.24","OTP-21.3.8.3","OTP-21.3.8.4","OTP-21.3.8.5","OTP-21.3.8.6","OTP-21.3.8.7","OTP-21.3.8.8","OTP-21.3.8.9","OTP-22.0","OTP-22.0-rc1","OTP-22.0-rc2","OTP-22.0-rc3","OTP-22.0.1","OTP-22.0.2","OTP-22.0.3","OTP-22.0.4","OTP-22.0.5","OTP-22.0.6","OTP-22.0.7","OTP-22.1","OTP-22.1.1","OTP-22.1.2","OTP-22.1.3","OTP-22.1.4","OTP-22.1.5","OTP-22.1.6","OTP-22.1.7","OTP-22.1.8","OTP-22.1.8.1","OTP-22.2","OTP-22.2.1","OTP-22.2.2","OTP-22.2.3","OTP-22.2.4","OTP-22.2.5","OTP-22.2.6","OTP-22.2.7","OTP-22.2.8","OTP-22.3","OTP-22.3.1","OTP-22.3.2","OTP-22.3.3","OTP-22.3.4","OTP-22.3.4.1","OTP-22.3.4.10","OTP-22.3.4.11","OTP-22.3.4.12","OTP-22.3.4.12.1","OTP-22.3.4.13","OTP-22.3.4.14","OTP-22.3.4.15","OTP-22.3.4.16","OTP-22.3.4.17","OTP-22.3.4.18","OTP-22.3.4.19","OTP-22.3.4.2","OTP-22.3.4.20","OTP-22.3.4.21","OTP-22.3.4.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Witczak","type":"REMEDIATION_DEVELOPER"},{"name":"Ingela Andin","type":"REMEDIATION_REVIEWER"}]}