CVE-2025-24970

Summary

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.

Affected Software

Weaknesses

• CWE-20: CWE-20: Improper Input Validation

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

Additional References

• https://github.com/netty/netty/security/advisories/GHSA-4g8c-wm8x-jfhw

CVE Program Container

Additional References

• https://security.netapp.com/advisory/ntap-20250221-0005/
• https://www.vicarius.io/vsociety/posts/cve-2025-24970-netty-vulnerability-detection
• https://www.vicarius.io/vsociety/posts/cve-2025-24970-netty-vulnerability-mitigation

References

• https://github.com/netty/netty/security/advisories/GHSA-4g8c-wm8x-jfhw
• https://github.com/netty/netty/commit/87f40725155b2f89adfde68c7732f97c153676c4

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