Vulnerability · Published Sep 11, 2025 · Assigned by EEF
CVE-2025-48039Unverified Paths can Cause Excessive Use of System Resources
Medium 5.3
In plain English
A medium-severity resource allocation without limits in OTP from Erlang. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | erlang | 1:25.2.3+dfsg-1+deb12u4 | DEBIAN-CVE-2025-48039 |
| Debian:13 | erlang | 1:27.3.4.1+dfsg-1+deb13u1 | DEBIAN-CVE-2025-48039 |
| Debian:14 | erlang | 1:27.3.4.3+dfsg-1 | DEBIAN-CVE-2025-48039 |
| Ubuntu:22.04:LTS | erlang | 1:24.2.1+dfsg-1ubuntu0.6 | USN-7831-1 |
| Ubuntu:22.04:LTS | erlang | 1:24.2.1+dfsg-1ubuntu0.6 | UBUNTU-CVE-2025-48039 |
| Ubuntu:24.04:LTS | erlang | 1:25.3.2.8+dfsg-1ubuntu4.5 | USN-7831-1 |
| Ubuntu:24.04:LTS | erlang | 1:25.3.2.8+dfsg-1ubuntu4.5 | UBUNTU-CVE-2025-48039 |
| Ubuntu:25.10 | erlang | 1:27.3.4.1+dfsg-1ubuntu0.1 | UBUNTU-CVE-2025-48039 |
| Ubuntu:25.10 | erlang | 1:27.3.4.1+dfsg-1ubuntu0.1 | USN-7831-1 |
Affected products (as reported)
Weakness: CWE-770, CWE-400 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
References
- https://github.com/erlang/otp/security/advisories/GHSA-rr5p-6856-j7h8 vendor-advisory, related
- https://cna.erlef.org/cves/CVE-2025-48039.html related
- https://osv.dev/vulnerability/EEF-CVE-2025-48039 related
- https://www.erlang.org/doc/system/versions.html#order-of-versions x_version-scheme
- https://github.com/erlang/otp/pull/10155 patch
- https://github.com/erlang/otp/commit/c242e6458967e9514bea351814151695807a54ac patch
- https://github.com/erlang/otp/commit/043ee3c943e2977c1acdd740ad13992fd60b6bf0 patch