Bug 2394521 (CVE-2025-48040)

Summary: CVE-2025-48040 erlang: Erlang Excessive Resource Consumption
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: eglynn, jjoyce, jschluet, lhh, lsvaty, mburns, mgarciac, pgrist
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Doc Text:
A resource exhaustion flaw has been discovered in the Erlang OTP. Malicious key exchange messages may lead to excessive CPU and memory usage due to overly tolerant handling of data received from unauthenticated users.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2394720, 2394721, 2394722, 2394723    
Bug Blocks:    

Description OSIDB Bzimport 2025-09-11 09:01:15 UTC
Uncontrolled Resource Consumption 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 form 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.