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CVE-2025-30211
Good to know:
Date: March 28, 2025
Erlang/OTP is a set of libraries for the Erlang programming language. Prior to versions OTP-27.3.1, 26.2.5.10, and 25.3.2.19, a maliciously formed KEX init message can result with high memory usage. Implementation does not verify RFC specified limits on algorithm names (64 characters) provided in KEX init message. Big KEX init packet may lead to inefficient processing of the error data. As a result, large amount of memory will be allocated for processing malicious data. Versions OTP-27.3.1, OTP-26.2.5.10, and OTP-25.3.2.19 fix the issue. Some workarounds are available. One may set option "parallel_login" to "false" and/or reduce the "max_sessions" option.
Severity Score
Severity Score
Weakness Type (CWE)
Memory Allocation with Excessive Size Value
CWE-789Top Fix
Upgrade Version
Upgrade to version https://github.com/erlang/otp.git - OTP-25.3.2.19;https://github.com/erlang/otp.git - OTP-26.2.5.10;https://github.com/erlang/otp.git - OTP-27.3.1
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | NONE |
| Availability (A): | HIGH |