CVE-2025-48040: DoS

Description

Uncontrolled Resource Consumption 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. This 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.

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Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

CWE-770 CWE-770

References

Other References

https://cna.erlef.org/cves/CVE-2025-48040.html https://github.com/erlang/otp/commit/548f1295d86d0803da884db8685cc16d461d0d5a https://github.com/erlang/otp/commit/7cd7abb7e19e16b027eaee6a54e1f6fbbe21181a https://github.com/erlang/otp/pull/10162 https://github.com/erlang/otp/security/advisories/GHSA-h7rg-6rjg-4cph https://osv.dev/vulnerability/EEF-CVE-2025-48040 https://www.erlang.org/doc/system/versions.html#order-of-versions

Frequently Asked Questions

What is CVE-2025-48040? +

Uncontrolled Resource Consumption 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. This 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.

How do I check if I'm vulnerable to CVE-2025-48040? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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