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CVE-2025-48041— SSH_FXP_OPENDIR may Lead to Exhaustion of File Handles

Quick assessment

Affected
Erlang OTP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Erlang/OTP是Erlang/OTP开源的一个JavaScript编写的处理处理异常的库。该库可以捕捉node.js内置API引发的异常。 Erlang/OTP 17.0版本至28.0.3版本、27.3.4.3版本和26.2.5.15版本存在安全漏洞，该漏洞源于lib/ssh/src/ssh_sftpd.erl中资源分配无限制，可能导致资源过度分配和洪水攻击。

CVSS 7.1 · High EPSS 0.39% · P32

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 3

VendorProduct Version RangeStatus
Erlang OTP 3.0.1< * affected
17.0< * affected
07b8f441ca711f9812fad9e9115bab3c3aa92f79< * affected
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I. Basic Information for CVE-2025-48041

Vulnerability Information
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Vulnerability Title
SSH_FXP_OPENDIR may Lead to Exhaustion of File Handles
Source: CVE Program / CVE List V5
Vulnerability Description
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 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
Erlang/OTP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Erlang/OTP是Erlang/OTP开源的一个JavaScript编写的处理处理异常的库。该库可以捕捉node.js内置API引发的异常。 Erlang/OTP 17.0版本至28.0.3版本、27.3.4.3版本和26.2.5.15版本存在安全漏洞，该漏洞源于lib/ssh/src/ssh_sftpd.erl中资源分配无限制，可能导致资源过度分配和洪水攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Erlang OTP 3.0.1 ~ * cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:*
Erlang OTP 17.0 ~ * cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-48041

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III. Intelligence Information for CVE-2025-48041

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Patches & Fixes for CVE-2025-48041 (1)

Vendor Advisories for CVE-2025-48041 (2)

Same Patch Batch · Erlang · 2025-09-11 · 4 CVEs total

CVE-2025-48040 6.9 MEDIUM Malicious Key Exchange Messages may Lead to Excessive Resource Consumption
CVE-2025-48039 5.3 MEDIUM Unverified Paths can Cause Excessive Use of System Resources
CVE-2025-48038 5.3 MEDIUM Unverified File Handles can Cause Excessive Use of System Resources

IV. Related Vulnerabilities

Same product: OTP
Same vendor: Erlang
Same weakness: CWE-770

V. Comments for CVE-2025-48041

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