NE
Product
netty
On CISA KEVExploited in the wild
103
CVEs
1
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 10High 63Medium 27Low 1
Watch
Add netty to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2023-44487 In wildKEV | 7.5 | Oct 10 | HTTP/2 Rapid Reset Attack Vulnerability Affected: before 4.1.100 |
| CVE-2026-47691 | 10.0 | Jun 12 | Netty has Insufficient Bailiwick Validation for NS Records Affected: >= 4.2.0.Final, < 4.2.15.Final; < 4.1.135.Final |
| CVE-2026-45674 | 10.0 | Jun 12 | Netty Vulnerable to DNS Cache Poisoning via Missing Bailiwick Checks in CNAME Records Affected: >= 4.2.0.Final, < 4.2.15.Final; < 4.1.135.Final |
| CVE-2026-56817 | 9.8 | Jul 21 | Netty: XML External Entity (XXE) injection via unconfigured XML factory when DTD and entity processing are enabled Affected: >= 4.2.0.Final, < 4.2.16.Final; >= 4.1.0.Final, < 4.1.136.Final |
| CVE-2026-42581 | 9.8 | May 13 | Netty: HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization Affected: >= 4.2.0.Alpha1, < 4.2.13.Final; < 4.1.133.Final |
| CVE-2026-75595 | 9.1 | Aug 19 | Netty: SNI Routing Bypass via Fragmented TLS ClientHello Causing Fallback to Default SslContext Affected: < 4.1.137.Final; >= 4.2.0.Final, < 4.2.17.Final |
| CVE-2026-56820 | 9.1 | Jul 21 | Netty: Missing CertificateID Validation in OCSP Response Allows Replay Attacks Affected: >= 4.2.0.Final, < 4.2.16.Final; < 4.1.136.Final |
| CVE-2026-42584 | 9.1 | May 13 | Netty: HttpClientCodec response desynchronization Affected: >= 4.2.0.Alpha1, < 4.2.13.Final; < 4.1.133.Final |
| CVE-2026-42579 | 9.1 | May 13 | Netty: DNS Codec Input Validation Bypass in Netty (Encoder + Decoder) Affected: >= 4.2.0.Alpha1, < 4.2.13.Final; < 4.1.133.Final |
| CVE-2019-20444 | 9.1 | Jan 29 | 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… Affected: before 4.1.44 |
| CVE-2019-20445 | 9.1 | Jan 29 | 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 Affected: before 4.1.44 |
| CVE-2026-44249 | 8.1 | Jun 11 | Netty has an IPv6 Subnet Filter Bypass via Incorrect Comparator Masking Affected: >= 4.2.0.Final, < 4.2.15.Final; < 4.1.135.Final |
| CVE-2026-100665 | 7.5 | Sep 26 | Netty 4.2.11 through 4.2.17 QUIC Hostname Verification Bypass Affected: 4.2.11.Final before 4.2.18.Final |
| CVE-2026-100664 | 7.5 | Sep 26 | Netty 4.2.2 through 4.2.17 HTTP/1 Host Header Authority Confusion Affected: 4.2.2.Final before 4.2.18.Final |
| CVE-2026-100663 | 7.5 | Sep 26 | Netty HTTP/1 CONNECT authority-form mistranslated to malformed HTTP/3 Affected: 4.2.2.Final before 4.2.18.Final |
| CVE-2026-100662 | 7.5 | Sep 26 | Netty HTTP/3 QPACK encoder-stream unbounded memory exhaustion DoS Affected: 4.2.0.Final before 4.2.18.Final |
| CVE-2026-100661 | 7.5 | Sep 26 | Netty HTTP/3 QPACK Prefixed Integer DoS via Unbounded Accumulation Affected: 4.2.0.Final before 4.2.18.Final |
| CVE-2026-100660 | 7.5 | Sep 26 | Netty before 4.2.18.Final QpackEncoder Unbounded Memory Retention Affected: before 4.2.18.Final |
| CVE-2026-62380 | 7.5 | Aug 22 | Netty before 4.2.16.Final SOCKS Proxy Null Byte Injection Affected: 4.2.0.Final before 4.2.16.Final; before 4.1.137.Final |
| CVE-2026-62243 | 7.5 | Aug 22 | Netty 4.2.0 through 4.2.16 TLS Hostname Verification Bypass Affected: 4.2.0.Final before 4.2.16.Final; before 4.1.137.Final |
| CVE-2026-75596 | 7.5 | Aug 19 | Netty: Fragmented ClientHello records trigger quadratic pre-handshake reassembly in default SNI parsing Affected: < 4.1.137.Final; >= 4.2.0.Final, < 4.2.17.Final |
| CVE-2026-59903 | 7.5 | Aug 17 | Netty: Cache Poisoning and Information Disclosure via CORS Vary Header Overwrite Affected: < 4.1.137.Final; >= 4.2.0.Final, < 4.2.17.Final |
| CVE-2026-59902 | 7.5 | Aug 17 | Netty: Memory Exhaustion in SctpMessageCompletionHandler Affected: < 4.1.137.Final; >= 4.2.0.Final, < 4.2.17.Final |
| CVE-2026-73508 | 7.5 | Aug 13 | Netty: Memory Leak in DNS Record Decoder via Malformed Domain Names Affected: < 4.1.136.Final; >= 4.2.0.Final, < 4.2.16.Final |
| CVE-2026-73507 | 7.5 | Aug 13 | Netty: Denial of Service in XmlFrameDecoder via CPU Exhaustion Affected: < 4.1.136.Final; >= 4.2.0.Final, < 4.2.16.Final |
| CVE-2026-59898 | 7.5 | Jul 29 | Netty: WebSockets V07/V08 handshaker missing Connection/Upgrade validation Affected: >=4.2.0.Final, < 4.2.16.Final; < 4.1.136.Final |
| CVE-2026-59899 | 7.5 | Jul 29 | Netty HttpContentEncoder: Unbounded Per-Connection Queue Growth via HTTP/1.1 Pipelining Leads to Denial of Service Affected: >= 4.2.0.Final, < 4.2.16.Final; < 4.1.136.Final |
| CVE-2026-59901 | 7.5 | Jul 29 | Netty Bzip2Decoder: Infinite Loop in RLE State Machine Leads to Event-Loop Thread Hang Affected: >=4.2.0.Final, < 4.2.16.Final; < 4.1.136.Final |
| CVE-2026-56819 | 7.5 | Jul 21 | Netty: HTTP/2 decompression leaks ByteBuf reference count when the decompressor channel is already closed (Direct memory leak / OOM DoS) Affected: >= 4.2.0.Final, < 4.2.16.Final; >= 4.1.0.Final, < 4.1.136.Final |
| CVE-2026-56816 | 7.5 | Jul 21 | Netty: Memory Exhaustion via HTTP/3 Reserved Frame Types Affected: < 4.2.16.Final |
| CVE-2026-56745 | 7.5 | Jul 21 | Netty SpdyHttpDecoder: ByteBuf Reference Leak on RST_STREAM Leads to Native Memory Exhaustion Affected: >= 4.2.0.Final, < 4.2.16.Final; >= 4.1.0.Final, < 4.1.136.Final |
| CVE-2026-55851 | 7.5 | Jul 21 | Netty codec-haproxy: Signed-Byte Sentinel Collision in HAProxyMessageDecoder Leads to Unbounded Memory Exhaustion Affected: >= 4.2.0.Final, < 4.2.16.Final; >= 4.1.0.Final, < 4.1.136.Final |
| CVE-2026-55833 | 7.5 | Jul 20 | Netty SPDY zlib header block continues decoded expansion after maxHeaderSize truncation Affected: >= 4.2.0.Final, < 4.2.16.Final; >= 4.1.0.Final, < 4.1.136.Final |
| CVE-2026-55831 | 7.5 | Jul 20 | Netty SPDY SETTINGS frame count materializes unbounded settings map Affected: >= 4.2.0.Final, < 4.2.16.Final; >= 4.1.0.Final, < 4.1.136.Final |
| CVE-2026-44891 | 7.5 | Jul 17 | Netty: Denial of Service via Unbounded Headers in StompSubframeDecoder Affected: < 4.1.136.Final; >= 4.2.0.Final, < 4.2.16.Final |
| CVE-2026-50011 | 7.5 | Jun 12 | Netty has unbounded pre-allocation in RedisArrayAggregator from RESP array length Affected: >= 4.2.0.Final, < 4.2.15.Final; < 4.1.135.Final |
| CVE-2026-50010 | 7.5 | Jun 12 | Netty's wrapping plain trust manager silently disables hostname verification Affected: >= 4.2.0.Final, < 4.2.15.Final; < 4.1.135.Final |
| CVE-2026-48748 | 7.5 | Jun 12 | Netty HTTP/3 QPACK Blocked Streams Memory Exhaustion Affected: >= 4.2.0.Final, < 4.2.15.Final |
| CVE-2026-48059 | 7.5 | Jun 12 | Netty HAProxy: Unbalanced Reference Count in Nested PP2_TYPE_SSL TLV Parsing Leads to Memory Exhaustion Affected: >= 4.2.0.Final, < 4.2.15.Final; < 4.1.135.Final |
| CVE-2026-48043 | 7.5 | Jun 12 | netty-codec-http2: ByteBuf Reference-Count Leak in DelegatingDecompressorFrameListener Leads to Memory Exhaustion Affected: >= 4.2.0.Final, < 4.2.15.Final; < 4.1.135.Final |
| CVE-2026-48006 | 7.5 | Jun 12 | Netty's Lack of Lifecycle Cleanup Leads to Pooled ByteBuf Leak in RedisArrayAggregator Affected: >= 4.2.0.Final, < 4.2.15.Final; < 4.1.135.Final |
| CVE-2026-46340 | 7.5 | Jun 12 | Netty: SCTP reassembly nests buffers without bound Affected: >= 4.2.0.Final, < 4.2.15.Final; < 4.1.135.Final |
| CVE-2026-45416 | 7.5 | Jun 12 | Netty: SNI handler pre-allocates up to 16 MiB from nine attacker bytes Affected: >= 4.2.0.Final, < 4.2.15.Final; < 4.1.135.Final |
| CVE-2026-44894 | 7.5 | Jun 12 | Netty's Default QUIC token handler accepts any client-supplied token Affected: >= 4.2.0.Final, < 4.2.15.Final |
| CVE-2026-44893 | 7.5 | Jun 12 | Netty: HAProxy SSL TLV parsing leaks retained slice on invalid TLV length Affected: >= 4.2.0.Final, < 4.2.15.Final; < 4.1.135.Final |
| CVE-2026-44892 | 7.5 | Jun 12 | Netty has a Vulnerable Default Configuration Which Leads to Denial of Service via Unbounded HTTP/3 Header Size Affected: >= 4.2.0.Final, < 4.2.15.Final |
| CVE-2026-44890 | 7.5 | Jun 11 | Netty has Unbounded Direct Memory Consumption in its RedisDecoder Affected: >= 4.2.0.Final, < 4.2.15.Final; < 4.1.135.Final |
| CVE-2026-44250 | 7.5 | Jun 11 | Netty: Memory Exhaustion in RedisArrayAggregator due to Deeply Nested Arrays Affected: >= 4.2.0.Final, < 4.2.15.Final; < 4.1.135.Final |
| CVE-2026-44248 | 7.5 | May 13 | Netty: Resource exhaustion in MqttDecoder Affected: >= 4.2.0.Alpha1, < 4.2.13.Final; < 4.1.133.Final |
| CVE-2026-42587 | 7.5 | May 13 | Netty: HttpContentDecompressor maxAllocation bypass via Content-Encoding: br/zstd/snappy enables decompression bomb DoS Affected: >= 4.2.0.Alpha1, < 4.2.13.Final; < 4.1.133.Final |
