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Medium Oracle Fusion Middleware Imperative Web Server (Netty) CVEs

2 CVEs

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Oracle product: Oracle Fusion Middleware / Imperative Web Server (Netty)✕
Overview 2 matches · 0 protected · 0 exploited · 0 CISA KEV · 0 public PoC · 0 EPSS ≥ 0.5
2matches 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 2 100.0%
Critical 0 0.0% High 0 0.0% Medium 2 100.0% Low 0 0.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 0 0.0% partly blocked 0 0.0% not blocked 2 100.0% not established 0 0.0% unrecorded 0 0.0%
Exploited 0 0.0% Working exploit published 0 0.0% Proof of concept only 2 100.0% Forecast only 0 0.0% No public exploit 0 0.0%
split by peak 2 / month
No exploit published: 2 Medium: 2 not blocked: 2 Proof of concept only: 2
May 262 No exploit published2 Medium2 not blocked2 Proof of concept only2
May 26
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CVE Severity Published▾ Status Exploitation Description
CVE-2026-42580 Medium 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 chunk size parser silently overflows int, enabling request smuggling attacks. This vulnerability is fixed in 4.2.13.Final and 4.1.133.Final.
CVE-2026-41417 Medium 2026-05-06 No exploit published Proof of concept only Netty allows request-line validation to be bypassed when a `DefaultHttpRequest` or `DefaultFullHttpRequest` is created first and its URI is later changed via `setUri()`. The constructors reject CRLF and whitespace characters that would break the start-line, but `setUri()` does not apply the same validation. `HttpRequestEncoder` and `RtspEncoder` then write the URI into the request line verbatim. If attacker-controlled input reaches `setUri()`, this enables CRLF injection and insertion of additional HTTP or RTSP requests, leading to HTTP request smuggling or desynchronization on the HTTP side and request injection on the RTSP side. This issue is fixed in versions 4.2.13.Final and 4.1.133.Final.