Io.netty:netty-handler
8 CVEs tracked. None of them is in CISA KEV.
This hub aggregates every CVE we track for Io.netty:netty-handler, a product in the oss libraries space. Use it to gauge the current risk picture and drill into individual advisories.
Io.netty:netty-handler CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 0 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 1 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 0 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 0 |
| 2025-09 | 0 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 0 |
| 2026-02 | 0 |
| 2026-03 | 0 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 0 |
| 2026-08 | 0 |
| 2026-09 | 0 |
Severity
How the 8 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical1
- High5
- Medium2
Latest CVEs
The 8 most recently published vulnerabilities affecting Io.netty:netty-handler.
- CVE-2025-24970SslHandler doesn't correctly validate packets which can lead to native crash when using native SSLEngine7.5
- CVE-2023-4586Hotrod-client: hot rod client does not enable hostname validation when using tls that lead to a mitm attack7.4
- CVE-2023-34462netty-handler SniHandler 16MB allocation6.5
- CVE-2020-11612The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded memory allocation while decoding a ZlibEncoded byte stream. An attacker could send a large ZlibEncoded byte stream to the Netty ser...7.5
- CVE-2019-20445HttpObjectDecoder.java in Netty before 4.1.44 allows a Content-Length header to be accompanied by a second Content-Length header, or by a Transfer-Encoding header.9.1
- CVE-2020-7238Netty 4.1.43.Final allows HTTP Request Smuggling because it mishandles Transfer-Encoding whitespace (such as a [space]Transfer-Encoding:chunked line) and a later Content-Length header. This issue e...7.5
- CVE-2016-4970handler/ssl/OpenSslEngine.java in Netty 4.0.x before 4.0.37.Final and 4.1.x before 4.1.1.Final allows remote attackers to cause a denial of service (infinite loop).7.5
- CVE-2014-3488The 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.5.0
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