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CVE-2025-24970

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Date: February 10, 2025

Netty, an asynchronous, event-driven network application framework, has a vulnerability starting in version 4.1.91.Final and prior to version 4.1.118.Final. When a special crafted packet is received via SslHandler it doesn't correctly handle validation of such a packet in all cases which can lead to a native crash. Version 4.1.118.Final contains a patch. As workaround its possible to either disable the usage of the native SSLEngine or change the code manually.

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2025-24970
https://security.netapp.com/advisory/ntap-20250221-0005/
https://www.vicarius.io/vsociety/posts/cve-2025-24970-netty-vulnerability-detection
https://github.com/netty/netty/security/advisories/GHSA-4g8c-wm8x-jfhw
https://github.com/netty/netty/commit/87f40725155b2f89adfde68c7732f97c153676c4
https://security.netapp.com/advisory/ntap-20250221-0005
https://www.vicarius.io/vsociety/posts/cve-2025-24970-netty-vulnerability-mitigation
https://github.com/netty/netty
https://www.mend.io/vulnerability-database/CVE-2025-24970

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Top Fix

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Upgrade Version

Upgrade to version io.netty:netty-handler:4.1.118.Final

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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

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