CVE-2025-24970 — SslHandler doesn't correctly validate packets which can lead to native crash when using native SSLEngine

Description (CNA)

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 (CNA)

Vendor / product	Versions
netty / netty	affected >= 4.1.91.Final, <= 4.1.117.Final

CWE

CWE-20

References

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

ADP enrichment

CISA-ADP

No English description supplied.

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

CVE

No English description supplied.

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