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Including CVEs outside Waratek scope✕Product netty✕
Overview 3 matches · 2 in Waratek scope · 0 protected · 0 exploited · 0 CISA KEV · 0 public PoC · 0 EPSS ≥ 0.5
3matches 2in Waratek scope66.7% 0protected0.0% 0exploited0.0% 0CISA KEV0.0% 0public PoC0.0% 0EPSS ≥ 0.50.0%
Protected by Waratek 0 0.0% Rule in development 0 0.0% Mitigation candidate 0 0.0% No exploit published 2 66.7% Outside Waratek scope 0 0.0% Not applicable 1 33.3% Withdrawn CVE 0 0.0%
Critical 0 0.0% High 0 0.0% Medium 0 0.0% Low 3 100.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 0 0.0% partly blocked 0 0.0% not blocked 3 100.0% not established 0 0.0% unrecorded 0 0.0%
Exploited 0 0.0% Working exploit published 0 0.0% Proof of concept only 1 33.3% Forecast only 0 0.0% No public exploit 2 66.7%
split by peak 1 / month
Not applicable: 1No exploit published: 2 Low: 3 not blocked: 3 No public exploit: 2Proof of concept only: 1
Sep 251 No exploit published1 Low1 not blocked1 No public exploit1 Oct 250 Nov 250 Dec 250 Jan 260 Feb 260 Mar 260 Apr 260 May 261 No exploit published1 Low1 not blocked1 Proof of concept only1 Jun 260 Jul 260 Aug 261 Not applicable1 Low1 not blocked1 No public exploit1
Sep 25Oct 25Nov 25Dec 25Jan 26Feb 26Mar 26Apr 26May 26Jun 26Jul 26Aug 26
3 matches Sign in to download these CVEs as CSV or JSON, or to follow them in a feed.
CVE Severity Published▾ Status Exploitation Description
CVE-2026-47843 Low 2026-08-26 Not applicable No public exploit In specific scenarios involving multiple clients with different DNS resolver configurations, Reactor Netty may incorrectly reuse a previously configured DNS resolver. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlier
CVE-2026-42578 Low 2026-05-13 No exploit published Proof of concept only Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage() method creates headers using DefaultHttpHeadersFactory.headersFactory().withValidation(false), then adds user-provided outboundHeaders without any CRLF validation. This allows an attacker who can influence the outbound headers to inject arbitrary HTTP headers into the CONNECT request sent to the proxy server. This vulnerability is fixed in 4.2.13.Final and 4.1.133.Final.
CVE-2025-58056 Low 2025-09-03 No exploit published No public exploit Netty is an asynchronous event-driven network application framework for development of maintainable high performance protocol servers and clients. In versions 4.1.124.Final, and 4.2.0.Alpha3 through 4.2.4.Final, Netty incorrectly accepts standalone newline characters (LF) as a chunk-size line terminator, regardless of a preceding carriage return (CR), instead of requiring CRLF per HTTP/1.1 standards. When combined with reverse proxies that parse LF differently (treating it as part of the chunk extension), attackers can craft requests that the proxy sees as one request but Netty processes as two, enabling request smuggling attacks. This is fixed in versions 4.1.125.Final and 4.2.5.Final.