CVE-2025-48040: Malicious Key Exchange Messages may Lead to Excessive Resource Consumption

Published Sep 11, 2025
·
Updated

Malicious Key Exchange Messages may Lead to Excessive Resource Consumption

Other sources

Uncontrolled Resource Consumption vulnerability in Erlang OTP ssh (sshsftp modules) allows Excessive Allocation, Flooding. This vulnerability is associated with program files lib/ssh/src/sshsftpd.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.

MITRE

Affected Software

5 affected componentsFixes available
Erlang OTP>=17.0<28.0.3
Erlang ssh>=3.0.1<5.3.3
Microsoft cbl2 erlang 25.3.2.21-2
Microsoft azl3 erlang 26.2.5.13-1
Microsoft cbl2 erlang 25.3.2.21-4

Event History

Sep 11, 2025
CVE Published
via MITRE·08:14 AM
Data Sourced
via MITRE·08:14 AM
DescriptionWeakness
Data Sourced
via NVD·09:15 AM
DescriptionSeverityWeakness
Sep 13, 2025
Data Sourced
via Microsoft·01:06 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·01:06 AM
SeverityAffected Software
Updated
via Microsoft·01:06 AM
DescriptionSeverity
Updated
via Microsoft·01:06 AM
Affected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-48040?

CVE-2025-48040 is classified as an Uncontrolled Resource Consumption vulnerability.

2

How do I fix CVE-2025-48040?

To mitigate CVE-2025-48040, upgrade Erlang OTP to versions above 28.0.3.

3

What versions of Erlang OTP are affected by CVE-2025-48040?

CVE-2025-48040 affects Erlang OTP versions from 17.0 to 28.0.3.

4

Which Erlang SSH versions are impacted by CVE-2025-48040?

CVE-2025-48040 impacts Erlang SSH versions from 3.0.1 to 5.3.3.

5

What type of vulnerability is CVE-2025-48040?

CVE-2025-48040 is an Uncontrolled Resource Consumption vulnerability that allows for excessive allocation and flooding.

Contact

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