Erlang OTP up to 17.0/26.2.5.15/27.3.4.3/28.0.3 ssh_sftpd.erl allocation of resources

Summaryinfo

A vulnerability was found in Erlang OTP up to 17.0/26.2.5.15/27.3.4.3/28.0.3. It has been rated as problematic. Affected by this vulnerability is an unknown functionality in the library lib/ssh/src/ssh_sftpd.erl. Performing a manipulation results in allocation of resources. This vulnerability is identified as CVE-2025-48041. The attack can be initiated remotely. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Erlang OTP up to 17.0/26.2.5.15/27.3.4.3/28.0.3. This affects an unknown function in the library lib/ssh/src/ssh_sftpd.erl. The manipulation with an unknown input leads to a allocation of resources vulnerability. CWE is classifying the issue as CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. This is going to have an impact on availability. The summary by CVE is:

Allocation 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. This issue affects OTP from 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.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-48041 since 05/15/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 264763 (Linux Distros Unpatched Vulnerability : CVE-2025-48041), which helps to determine the existence of the flaw in a target environment.

Applying the patch 5f9af63eec4657a37663828d206517828cb9f288 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the databases at Tenable (264763) and CERT Bund (WID-SEC-2025-2034). Be aware that VulDB is the high quality source for vulnerability data.

Affected

• Debian Linux
• Fedora Linux
• Ubuntu Linux
• SUSE Linux
• SUSE openSUSE
• Open Source Erlang/OTP

Productinfo

Vendor

• Erlang

Name

• OTP

Version

• 17.0
• 26.2.5.0
• 26.2.5.1
• 26.2.5.2
• 26.2.5.3
• 26.2.5.4
• 26.2.5.5
• 26.2.5.6
• 26.2.5.7
• 26.2.5.8
• 26.2.5.9
• 26.2.5.10
• 26.2.5.11
• 26.2.5.12
• 26.2.5.13
• 26.2.5.14
• 26.2.5.15
• 27.3.4.0
• 27.3.4.1
• 27.3.4.2
• 27.3.4.3
• 28.0.0
• 28.0.1
• 28.0.2
• 28.0.3

License

• open-source

Website

• Product: https://github.com/erlang/otp/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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