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maven

io.netty:netty-codec-http2

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8 Total advisories
8 Vulnerabilities
0 Malware

Vulnerabilities

MEDIUM 5.3
Maven

CVE-2026-47244

Netty HTTP/2: Advertised MAX_CONCURRENT_STREAMS are not enforced
MEDIUM 5.3
Maven

CVE-2026-48043

netty-codec-http2: ByteBuf Reference-Count Leak in DelegatingDecompressorFrameListener Leads to Memory Exhaustion
HIGH 7.5
Maven

CVE-2026-42587

Netty: HttpContentDecompressor maxAllocation bypass when Content-Encoding set to br/zstd/snappy leads to decompression bomb DoS
UNKNOWN
Maven

CVE-2026-33871

Netty HTTP/2 CONTINUATION Frame Flood DoS via Zero-Byte Frame Bypass
MEDIUM 5.9
Maven

CVE-2021-21295

Possible request smuggling in HTTP/2 due missing validation
MEDIUM 5.9
Maven

CVE-2021-21409

Possible request smuggling in HTTP/2 due missing validation of content-length
HIGH 7.5
Maven

GHSA-xpw8-rcwv-8f8p

io.netty:netty-codec-http2 vulnerable to HTTP/2 Rapid Reset Attack
HIGH 7.5
Maven

CVE-2025-55163

Netty affected by MadeYouReset HTTP/2 DDoS vulnerability

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