Netty HTTP/3 QPACK Blocked Streams Memory Exhaustion

Summary A memory exhaustion vulnerability in the Netty HTTP/3 codec allows the creation of an infinite number of blocked streams, which can cause OOM error. Details The vulnerability exists in io.netty.handler.codec.http3.QpackDecodershouldWaitForDynamicTableUpdates: If a client sends a header...

GHSA-4GRM-H2QV-H6W6 Netty HTTP/3 QPACK Blocked Streams Memory Exhaustion

Summary A memory exhaustion vulnerability in the Netty HTTP/3 codec allows the creation of an infinite number of blocked streams, which can cause OOM error. Details The vulnerability exists in io.netty.handler.codec.http3.QpackDecodershouldWaitForDynamicTableUpdates: If a client sends a header...

CVE-2026-48748 Netty HTTP/3 QPACK Blocked Streams Memory Exhaustion

Netty is a network application framework for development of protocol servers and clients. Prior to version 4.2.15.Final, a memory exhaustion vulnerability in the Netty HTTP/3 codec allows the creation of an infinite number of blocked streams, which can cause OOM error. Version 4.2.15.Final patche...

CVE-2026-48748 Netty HTTP/3 QPACK Blocked Streams Memory Exhaustion

Netty is a network application framework for development of protocol servers and clients. Prior to version 4.2.15.Final, a memory exhaustion vulnerability in the Netty HTTP/3 codec allows the creation of an infinite number of blocked streams, which can cause OOM error. Version 4.2.15.Final patche...

Security update for netty, netty-tcnative

This update for netty, netty-tcnative fixes the following issues CVE-2026-41417: missing validations leads to HTTP request smuggling and RTSP request injection via start-line injection in DefaultHttpRequest.setUri bsc1264350. CVE-2026-42578: HTTP Header Injection via HttpProxyHandler Disabled...

SUSE-SU-2026:2308-1 Security update for netty, netty-tcnative

This update for netty, netty-tcnative fixes the following issues - CVE-2026-41417: missing validations leads to HTTP request smuggling and RTSP request injection via start-line injection in DefaultHttpRequest.setUri bsc1264350. - CVE-2026-42578: HTTP Header Injection via HttpProxyHandler Disabled...

CVE-2026-42582

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final, when decoding header blocks, the non-Huffman branch of io.netty.handler.codec.http3.QpackDecoderdecodeHuffmanEncodedLiteral may execute new bytelength for a string literal before verifying that length byt...

Linux Distros Unpatched Vulnerability : CVE-2026-40898

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - quic-go is an implementation of the QUIC protocol in Go. Prior to version 0.59.1, an attacker can cause excessive memory allocation in quic-go's HTTP/3 client a...

DEBIAN-CVE-2026-40898

quic-go is an implementation of the QUIC protocol in Go. Prior to version 0.59.1, an attacker can cause excessive memory allocation in quic-go's HTTP/3 client and server implementations by sending a QPACK-encoded HEADERS frame that decodes into a large trailer field section with many unique field...

CVE-2026-40898

quic-go is an implementation of the QUIC protocol in Go. Prior to version 0.59.1, an attacker can cause excessive memory allocation in quic-go's HTTP/3 client and server implementations by sending a QPACK-encoded HEADERS frame that decodes into a large trailer field section with many unique field...

CVE-2026-40898 quic-go: HTTP/3 QPACK Trailer Expansion Memory Exhaustion

quic-go is an implementation of the QUIC protocol in Go. Prior to version 0.59.1, an attacker can cause excessive memory allocation in quic-go's HTTP/3 client and server implementations by sending a QPACK-encoded HEADERS frame that decodes into a large trailer field section with many unique field...

quic-go: HTTP/3 QPACK Trailer Expansion Memory Exhaustion

Summary An attacker can cause excessive memory allocation in quic-go's HTTP/3 client and server implementations by sending a QPACK-encoded HEADERS frame that decodes into a large trailer field section with many unique field names and/or large values. The implementation builds an http.Header for t...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the processing of QPACK-encoded HEADERS frames containing trailer field sections. An attacker can cause excessive memory allocation by sending specially crafted frames with ma...

GHSA-VVGJ-X9JQ-8CJ9 quic-go: HTTP/3 QPACK Trailer Expansion Memory Exhaustion

Summary An attacker can cause excessive memory allocation in quic-go's HTTP/3 client and server implementations by sending a QPACK-encoded HEADERS frame that decodes into a large trailer field section with many unique field names and/or large values. The implementation builds an http.Header for t...

DEBIAN-CVE-2026-42582

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final, when decoding header blocks, the non-Huffman branch of io.netty.handler.codec.http3.QpackDecoderdecodeHuffmanEncodedLiteral may execute new bytelength for a string literal before verifying that length byt...

UBUNTU-CVE-2026-42582

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final, when decoding header blocks, the non-Huffman branch of io.netty.handler.codec.http3.QpackDecoderdecodeHuffmanEncodedLiteral may execute new bytelength for a string literal before verifying that length byt...

CVE-2026-42582 Netty: HTTP/3 QPACK literal unbounded allocation

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final, when decoding header blocks, the non-Huffman branch of io.netty.handler.codec.http3.QpackDecoderdecodeHuffmanEncodedLiteral may execute new bytelength for a string literal before verifying that length byt...

CVE-2026-42582

Netty (HTTP/3) vulnerable in QpackDecoder.decodeHuffmanEncodedLiteral prior to 4.2.13.Final: the non-Huffman path may allocate byte[length] without verifying length

CVE-2026-42582

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final, when decoding header blocks, the non-Huffman branch of io.netty.handler.codec.http3.QpackDecoderdecodeHuffmanEncodedLiteral may execute new bytelength for a string literal before verifying that length byt...

Netty HTTP/3 QPACK literal unbounded allocation

Summary When Netty decodes HTTP/3 headers, it sometimes runs new bytelength using a length from the wire before checking that many bytes are really there. A small malicious header can claim a huge length on the order of a gigabyte. Details When decoding header blocks, the non-Huffman branch of...