{"schema_version":1,"title":"Netty Project Netty netty-codec-http2 vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in Netty Project Netty netty-codec-http2: 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-59900, was published on 29 July 2026.","url":"https://junglewise.ai/threats/technologies/netty-codec-http2","json_url":"https://junglewise.ai/threats/technologies/netty-codec-http2.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/netty-codec-http2","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":1,"all_time":4,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":2,"last_365_days":4},"latest":[{"cve":"CVE-2026-59900","cvss":4,"epss":0.004,"slug":"cve-2026-59900-netty-request-smuggling-via-host-header-duplication-in-http-2","title":"Netty request smuggling via Host header duplication in HTTP/2 translation","severity":"medium","exploited":false,"published_at":"2026-07-29T18:16:56.32+00:00","url":"https://junglewise.ai/threats/cve-2026-59900-netty-request-smuggling-via-host-header-duplication-in-http-2"},{"cve":"CVE-2026-56819","cvss":7.5,"epss":0.0067,"slug":"cve-2026-56819-netty-memory-leak-in-http-2-content-decompression","title":"Netty memory leak in HTTP/2 content decompression","severity":"high","exploited":false,"published_at":"2026-07-21T23:17:52.263+00:00","url":"https://junglewise.ai/threats/cve-2026-56819-netty-memory-leak-in-http-2-content-decompression"},{"cve":"CVE-2026-48043","cvss":5.3,"epss":0.0088,"slug":"cve-2026-48043-netty-memory-exhaustion-in-delegatingdecompressorframelistener","title":"Netty memory exhaustion in DelegatingDecompressorFrameListener","severity":"medium","exploited":false,"published_at":"2026-06-12T16:16:30.587+00:00","url":"https://junglewise.ai/threats/cve-2026-48043-netty-memory-exhaustion-in-delegatingdecompressorframelistener"},{"cve":"CVE-2026-47244","cvss":5.3,"epss":0.0051,"slug":"cve-2026-47244-netty-uncontrolled-resource-consumption-in-http-2-codec","title":"Netty uncontrolled resource consumption in HTTP/2 codec","severity":"medium","exploited":false,"published_at":"2026-06-12T15:16:29.217+00:00","url":"https://junglewise.ai/threats/cve-2026-47244-netty-uncontrolled-resource-consumption-in-http-2-codec"}],"weekly":[{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Netty Project Netty Codec HTTP","slug":"codec-http","vulnerabilities":12,"url":"https://junglewise.ai/threats/technologies/codec-http"},{"name":"Netty Project Netty","slug":"netty-project-netty","vulnerabilities":6,"url":"https://junglewise.ai/threats/technologies/netty-project-netty"},{"name":"Netty Project Netty Codec Redis","slug":"codec-redis","vulnerabilities":5,"url":"https://junglewise.ai/threats/technologies/codec-redis"},{"name":"Netty Project Netty Incubator Codec OHTTP","slug":"incubator-codec-ohttp","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/incubator-codec-ohttp"},{"name":"Netty Project Netty Codec HAProxy","slug":"codec-haproxy","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/codec-haproxy"},{"name":"Netty Project Netty Codec HTTP3","slug":"codec-http3","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/codec-http3"},{"name":"Netty Project Netty Handler SSL OCSP","slug":"netty-handler-ssl-ocsp","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/netty-handler-ssl-ocsp"},{"name":"Netty Project Netty Resolver DNS","slug":"resolver-dns","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/resolver-dns"}],"technology":{"hub":true,"name":"Netty Project Netty netty-codec-http2","slug":"netty-codec-http2","vendor":{"name":"Netty Project","slug":"netty-project","url":"https://junglewise.ai/threats/vendors/netty-project"},"aliases":[],"category":"library","homepage":"https://netty.io/","repo_url":"https://github.com/netty/netty","description":"An event-driven asynchronous network application framework for rapid development of maintainable high performance protocol servers & clients.","url":"https://junglewise.ai/threats/technologies/netty-codec-http2"},"most_severe":[{"cve":"CVE-2026-56819","cvss":7.5,"epss":0.0067,"slug":"cve-2026-56819-netty-memory-leak-in-http-2-content-decompression","title":"Netty memory leak in HTTP/2 content decompression","severity":"high","exploited":false,"published_at":"2026-07-21T23:17:52.263+00:00","url":"https://junglewise.ai/threats/cve-2026-56819-netty-memory-leak-in-http-2-content-decompression"},{"cve":"CVE-2026-48043","cvss":5.3,"epss":0.0088,"slug":"cve-2026-48043-netty-memory-exhaustion-in-delegatingdecompressorframelistener","title":"Netty memory exhaustion in DelegatingDecompressorFrameListener","severity":"medium","exploited":false,"published_at":"2026-06-12T16:16:30.587+00:00","url":"https://junglewise.ai/threats/cve-2026-48043-netty-memory-exhaustion-in-delegatingdecompressorframelistener"},{"cve":"CVE-2026-47244","cvss":5.3,"epss":0.0051,"slug":"cve-2026-47244-netty-uncontrolled-resource-consumption-in-http-2-codec","title":"Netty uncontrolled resource consumption in HTTP/2 codec","severity":"medium","exploited":false,"published_at":"2026-06-12T15:16:29.217+00:00","url":"https://junglewise.ai/threats/cve-2026-47244-netty-uncontrolled-resource-consumption-in-http-2-codec"},{"cve":"CVE-2026-59900","cvss":4,"epss":0.004,"slug":"cve-2026-59900-netty-request-smuggling-via-host-header-duplication-in-http-2","title":"Netty request smuggling via Host header duplication in HTTP/2 translation","severity":"medium","exploited":false,"published_at":"2026-07-29T18:16:56.32+00:00","url":"https://junglewise.ai/threats/cve-2026-59900-netty-request-smuggling-via-host-header-duplication-in-http-2"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}