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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.

Severity (CVSS 4.0)5.3Medium
Exploit odds (30 days)0.4%top 66.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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

EcosystemPackageFixed inAdvisory
Debian:12erlang1:25.2.3+dfsg-1+deb12u4DEBIAN-CVE-2025-48039
Debian:13erlang1:27.3.4.1+dfsg-1+deb13u1DEBIAN-CVE-2025-48039
Debian:14erlang1:27.3.4.3+dfsg-1DEBIAN-CVE-2025-48039
Ubuntu:22.04:LTSerlang1:24.2.1+dfsg-1ubuntu0.6USN-7831-1
Ubuntu:22.04:LTSerlang1:24.2.1+dfsg-1ubuntu0.6UBUNTU-CVE-2025-48039
Ubuntu:24.04:LTSerlang1:25.3.2.8+dfsg-1ubuntu4.5USN-7831-1
Ubuntu:24.04:LTSerlang1:25.3.2.8+dfsg-1ubuntu4.5UBUNTU-CVE-2025-48039
Ubuntu:25.10erlang1:27.3.4.1+dfsg-1ubuntu0.1UBUNTU-CVE-2025-48039
Ubuntu:25.10erlang1:27.3.4.1+dfsg-1ubuntu0.1USN-7831-1

Affected products (as reported)

VendorProductVersions
Erlang OTP 3.0.1 – before *
Erlang OTP 17.0 – before *07b8f441ca711f9812fad9e9115bab3c3aa92f79 – before *

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