CVE-2025-25193

Summary

Netty, an asynchronous, event-driven network application framework, has a vulnerability in versions up to and including 4.1.118.Final. An unsafe reading of environment file could potentially cause a denial of service in Netty. When loaded on an Windows application, Netty attempts to load a file that does not exist. If an attacker creates such a large file, the Netty application crash. A similar issue was previously reported as CVE-2024-47535. This issue was fixed, but the fix was incomplete in that null-bytes were not counted against the input limit. Commit d1fbda62d3a47835d3fb35db8bd42ecc205a5386 contains an updated fix.

Affected Software

Weaknesses

• CWE-400: CWE-400: Uncontrolled Resource Consumption

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

Additional References

• https://github.com/netty/netty/security/advisories/GHSA-389x-839f-4rhx

CVE Program Container

Additional References

• https://security.netapp.com/advisory/ntap-20250221-0006/

References

• https://github.com/netty/netty/security/advisories/GHSA-389x-839f-4rhx
• https://github.com/netty/netty/commit/d1fbda62d3a47835d3fb35db8bd42ecc205a5386

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