CVE-2025-48039: Unverified Paths can Cause Excessive Use of System Resources

Severity: medium (CVSS 5.3 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-09-11 · updated 2026-07-24
Weakness: CWE-400

Description

Allocation of Resources Without Limits or Throttling vulnerability in Erlang OTP ssh (ssh_sftp modules) allows Excessive Allocation, Resource Leak Exposure. This vulnerability is associated with program files lib/ssh/src/ssh_sftpd.erl. This issue affects OTP from OTP 17.0 before OTP 28.0.3, OTP 27.3.4.3 and OTP 26.2.5.15, corresponding to ssh from 3.0.1 before 5.3.3, 5.2.11.3 and 5.1.4.12.

Affected products

Erlang OTP: from 3.0.1; from 17.0

References

https://cna.erlef.org/cves/CVE-2025-48039.html
https://github.com/erlang/otp/commit/043ee3c943e2977c1acdd740ad13992fd60b6bf0
https://github.com/erlang/otp/commit/c242e6458967e9514bea351814151695807a54ac
https://github.com/erlang/otp/pull/10155
https://github.com/erlang/otp/security/advisories/GHSA-rr5p-6856-j7h8
https://osv.dev/vulnerability/EEF-CVE-2025-48039
https://www.erlang.org/doc/system/versions.html#order-of-versions

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