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CVE-2026-100666

Medium priority
Needs evaluation

Netty's HttpServerCodec (io.netty:netty-codec-http) in versions 4.2.0.Final through 4.2.16.Final and in versions up to and including 4.1.136.Final pairs each outbound response with an inbound request by calling pollMethod() once...

1 affected package

netty

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
netty Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-100665

Medium priority
Needs evaluation

Netty versions from 4.2.11.Final before 4.2.18.Final contain an incomplete hostname verification fix in the QUIC certificate verification path when using a plain X509TrustManager. The BoringSSLCertificateVerifyCallback discards...

1 affected package

netty

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
netty Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-100664

Medium priority
Needs evaluation

Netty's HTTP/3 codec (io.netty:netty-codec-http3) versions 4.2.2.Final through 4.2.17.Final builds the HTTP/3 :authority pseudo-header from the HTTP/1 Host header before considering the authority of an absolute-form HTTP/1...

1 affected package

netty

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
netty Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-100663

Medium priority
Needs evaluation

Netty's HTTP/3 codec (io.netty:netty-codec-http3) from 4.2.2.Final through 4.2.17.Final does not special-case HTTP/1 CONNECT authority-form request-targets when converting HTTP/1 messages to HTTP/3...

1 affected package

netty

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
netty Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-100662

Medium priority
Needs evaluation

Netty's HTTP/3 codec (io.netty:netty-codec-http3) versions 4.2.0.Final through 4.2.17.Final contain an uncontrolled resource consumption vulnerability in the QPACK encoder-stream instruction decoder (QpackEncoderHandler, installed...

1 affected package

netty

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
netty Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-100661

Medium priority
Needs evaluation

Netty's HTTP/3 codec (io.netty:netty-codec-http3) versions 4.2.0.Final through 4.2.17.Final contain a denial-of-service vulnerability in the QPACK prefixed-integer decoder (QpackUtil.decodePrefixedInteger), which does not bound...

1 affected package

netty

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
netty Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-100660

Medium priority
Needs evaluation

Netty's HTTP/3 codec (io.netty:netty-codec-http3) from 4.2.0.Final through 4.2.17.Final retains unbounded per-stream QPACK encoder state. QpackEncoder stores a queue and a dynamic-table index tracker for every encoded...

1 affected package

netty

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
netty Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-100659

Medium priority
Needs evaluation

Netty's HTTP/3 codec (io.netty:netty-codec-http3) in versions 4.2.0.Final through 4.2.17.Final does not enforce the RFC 9114 requirement that the :authority pseudo-header field and a literal host header field, when both present,...

1 affected package

netty

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
netty Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-93574

Medium priority
Needs evaluation

A flaw was found in Netty's `netty-codec-http` component. A remote attacker could exploit this vulnerability by sending a specially crafted HTTP/1.1 chunk-size token that includes post-digit whitespace. This incorrect parsing of...

1 affected package

netty

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
netty Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-93562

Medium priority
Needs evaluation

A flaw was found in Netty's HTTP/1 decoder. Incomplete validation of malformed Transfer-Encoding headers allows a remote attacker to perform HTTP request smuggling. By sending specially crafted HTTP requests, an attacker can...

1 affected package

netty

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
netty Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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