Vulnerabilities (CVE)

Filtered by vendor Netty Subscribe
Total 88 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2020-11612 5 Debian, Fedoraproject, Netapp and 2 more 13 Debian Linux, Fedora, Oncommand Api Services and 10 more 2026-06-17 5.0 MEDIUM 7.5 HIGH
The 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 server, forcing the server to allocate all of its free memory to a single decoder.
CVE-2019-20445 6 Apache, Canonical, Debian and 3 more 8 Spark, Ubuntu Linux, Debian Linux and 5 more 2026-06-17 6.4 MEDIUM 9.1 CRITICAL
HttpObjectDecoder.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.
CVE-2019-20444 5 Canonical, Debian, Fedoraproject and 2 more 7 Ubuntu Linux, Debian Linux, Fedora and 4 more 2026-06-17 6.4 MEDIUM 9.1 CRITICAL
HttpObjectDecoder.java in Netty before 4.1.44 allows an HTTP header that lacks a colon, which might be interpreted as a separate header with an incorrect syntax, or might be interpreted as an "invalid fold."
CVE-2019-16869 4 Canonical, Debian, Netty and 1 more 5 Ubuntu Linux, Debian Linux, Netty and 2 more 2026-06-17 5.0 MEDIUM 7.5 HIGH
Netty before 4.1.42.Final mishandles whitespace before the colon in HTTP headers (such as a "Transfer-Encoding : chunked" line), which leads to HTTP request smuggling.
CVE-2016-4970 3 Apache, Netty, Redhat 4 Cassandra, Netty, Jboss Data Grid and 1 more 2026-06-17 7.8 HIGH 7.5 HIGH
handler/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).
CVE-2015-2156 3 Lightbend, Netty, Playframework 3 Play Framework, Netty, Play Framework 2026-06-17 4.3 MEDIUM 7.5 HIGH
Netty before 3.9.8.Final, 3.10.x before 3.10.3.Final, 4.0.x before 4.0.28.Final, and 4.1.x before 4.1.0.Beta5 and Play Framework 2.x before 2.3.9 might allow remote attackers to bypass the httpOnly flag on cookies and obtain sensitive information by leveraging improper validation of cookie name and value characters.
CVE-2014-3488 1 Netty 1 Netty 2026-06-17 5.0 MEDIUM N/A
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.
CVE-2014-0193 1 Netty 1 Netty 2026-06-17 5.0 MEDIUM N/A
WebSocket08FrameDecoder in Netty 3.6.x before 3.6.9, 3.7.x before 3.7.1, 3.8.x before 3.8.2, 3.9.x before 3.9.1, and 4.0.x before 4.0.19 allows remote attackers to cause a denial of service (memory consumption) via a TextWebSocketFrame followed by a long stream of ContinuationWebSocketFrames.