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netty / netty CVEs

Beta · best-effort

84 CVEs tagged to netty / netty2 Critical, 45 High, 35 Medium, 2 Low, 0 Unrated.

CVE-2026-59898

Published Jul 29, 2026

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, ab attacker can force WebSocket upgrade via the lax V07 (o…

CVSS 6.3 · Medium
evidence mentions
3
Buzz score
18.9
Vendor/product tagsBeta · best-effort

CVE-2026-59920

Published Jul 29, 2026

Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.136.Final and 4.2.16.Final, Netty's STOMP encoder ( StompSubframeEncoder ) does not…

CVSS 6.5 · Medium
evidence mentions
1
Buzz score
11.9
Vendor/product tagsBeta · best-effort

CVE-2026-59919

Published Jul 29, 2026

Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.136.Final and 4.2.16.Final, Netty's HAProxy encoder ( HAProxyMessageEncoder ) writes…

CVSS 5.5 · Medium
evidence mentions
1
Buzz score
11.9
Vendor/product tagsBeta · best-effort

CVE-2026-59901

Published Jul 29, 2026

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, the `Bzip2Decoder` handler in Netty's compression codec pip…

CVSS 8.7 · High
evidence mentions
1
Buzz score
11.9
Vendor/product tagsBeta · best-effort

CVE-2026-59900

Published Jul 29, 2026

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, Netty's HTTP/2-to-HTTP/1.x translation layer (`Http2StreamF…

CVSS 6.9 · Medium
evidence mentions
3
Buzz score
18.9
Vendor/product tagsBeta · best-effort

CVE-2026-59899

Published Jul 29, 2026

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, `HttpContentEncoder` (the superclass of the production hand…

CVSS 6.9 · Medium
evidence mentions
3
Buzz score
18.9
Vendor/product tagsBeta · best-effort

CVE-2026-56822

Published Jul 29, 2026

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, the OcspServerCertificateValidator forwards the SslHandshak…

CVSS 7.4 · High
evidence mentions
1
Buzz score
11.9
Vendor/product tagsBeta · best-effort

CVE-2026-56821

Published Jul 29, 2026

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, the OcspServerCertificateValidator flags an out-of-date OCS…

CVSS 7.4 · High
evidence mentions
1
Buzz score
11.9
Vendor/product tagsBeta · best-effort

CVE-2026-59921

Published Jul 28, 2026

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, HttpPostRequestEncoder constructs multipart HTTP request bo…

CVSS 5.7 · Medium
evidence mentions
1
Buzz score
11.9
Vendor/product tagsBeta · best-effort

CVE-2026-56820

Published Jul 21, 2026

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and prior to 4.1.135.Final, `OcspClient` doe…

CVSS 7.4 · High
evidence mentions
5
Buzz score
22.9
Vendor/product tagsBeta · best-effort

CVE-2026-56819

Published Jul 21, 2026

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, a rem…

CVSS 7.5 · High
evidence mentions
6
Buzz score
24.5
Vendor/product tagsBeta · best-effort

CVE-2026-56817

Published Jul 21, 2026

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, any c…

CVSS 8.3 · High
evidence mentions
5
Buzz score
22.9
Vendor/product tagsBeta · best-effort

CVE-2026-56816

Published Jul 21, 2026

Netty is a network application framework for development of protocol servers and clients. Prior to 4.2.16.Final, Netty's `Http3FrameCodec` buffers incoming data for HTTP/3 reserve…

CVSS 7.5 · High
evidence mentions
3
Buzz score
18.9
Vendor/product tagsBeta · best-effort

CVE-2026-56746

Published Jul 21, 2026

Netty is a network application framework for development of protocol servers and clients. Versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, are vuln…

CVSS 6.5 · Medium
evidence mentions
3
Buzz score
18.9
Vendor/product tagsBeta · best-effort

CVE-2026-56745

Published Jul 21, 2026

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, the `…

CVSS 8.7 · High
evidence mentions
5
Buzz score
22.9
Vendor/product tagsBeta · best-effort

CVE-2026-55851

Published Jul 21, 2026

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final up to (but not including) 4.2.16.Final, and 4.1.0.Final up to (bu…

CVSS 8.7 · High
evidence mentions
5
Buzz score
22.9
Vendor/product tagsBeta · best-effort

CVE-2026-55833

Published Jul 21, 2026

Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, Netty SPDY header decoding continues inflating z…

CVSS 7.5 · High
evidence mentions
5
Buzz score
22.9
Vendor/product tagsBeta · best-effort

CVE-2026-55831

Published Jul 21, 2026

Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, Netty's SPDY SETTINGS decoder accepts a peer-dec…

CVSS 7.5 · High
evidence mentions
5
Buzz score
22.9
Vendor/product tagsBeta · best-effort

CVE-2026-44891

Published Jul 17, 2026

Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.stomp.StompSubframeDecode…

CVSS 7.5 · High
evidence mentions
7
Buzz score
25.8
Vendor/product tagsBeta · best-effort

CVE-2026-50560

Published Jun 12, 2026

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty HTTP/2 max header size handling p…

CVSS 6.9 · Medium
evidence mentions
4
Buzz score
26.1
Vendor/product tagsBeta · best-effort

CVE-2026-50020

Published Jun 12, 2026

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, before reading the first request-line,…

CVSS 5.3 · Medium
evidence mentions
3
Buzz score
18.9
Vendor/product tagsBeta · best-effort

CVE-2026-50011

Published Jun 12, 2026

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, RedisArrayAggregator pre-allocates Arra…

CVSS 7.5 · High
evidence mentions
11
Buzz score
37.9
Vendor/product tagsBeta · best-effort

CVE-2026-50010

Published Jun 12, 2026

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, SimpleTrustManagerFactory.engineGetTrus…

CVSS 7.5 · High
evidence mentions
18
Buzz score
42.4
Vendor/product tagsBeta · best-effort

CVE-2026-50009

Published Jun 12, 2026

Netty is a network application framework for development of protocol servers and clients. Prior to version 4.2.15.Final, Netty QUIC exposes the stateless reset token on the networ…

CVSS 4.8 · Medium
evidence mentions
2
Buzz score
16.0
Vendor/product tagsBeta · best-effort

CVE-2026-48748

Published Jun 12, 2026

Netty is a network application framework for development of protocol servers and clients. Starting in version 4.2.0.Final and prior to version 4.2.15.Final, a memory exhaustion vu…

CVSS 7.5 · High
evidence mentions
6
Buzz score
32.5
Vendor/product tagsBeta · best-effort
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