{"schema_version":1,"title":"io.netty:netty-codec-http2 (Maven) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in io.netty:netty-codec-http2 (Maven): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, io.netty:netty-codec-http2 vulnerable to HTTP/2 Rapid Reset Attack, was published on 10 October 2023.","url":"https://junglewise.ai/threats/technologies/io-netty-netty-codec-http2","json_url":"https://junglewise.ai/threats/technologies/io-netty-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/io-netty-netty-codec-http2","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":3,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":0},"latest":[{"cvss":3.1,"slug":"io-netty-netty-codec-http2-vulnerable-to-http-2-rapid-reset-attack-e10c4f89","title":"io.netty:netty-codec-http2 vulnerable to HTTP/2 Rapid Reset Attack","severity":"low","exploited":false,"published_at":"2023-10-10T22:22:54+00:00","url":"https://junglewise.ai/threats/io-netty-netty-codec-http2-vulnerable-to-http-2-rapid-reset-attack-e10c4f89"},{"cve":"CVE-2021-21409","cvss":3.1,"epss":0.0494,"slug":"cve-2021-21409-possible-request-smuggling-in-http-2-due-missing-validation-of","title":"Possible request smuggling in HTTP/2 due missing validation of content-length","severity":"low","exploited":false,"published_at":"2021-03-30T15:10:38+00:00","url":"https://junglewise.ai/threats/cve-2021-21409-possible-request-smuggling-in-http-2-due-missing-validation-of"},{"cve":"CVE-2021-21295","cvss":3.1,"epss":0.1889,"slug":"cve-2021-21295-possible-request-smuggling-in-http-2-due-missing-validation","title":"Possible request smuggling in HTTP/2 due missing validation","severity":"low","exploited":false,"published_at":"2021-03-09T18:49:49+00:00","url":"https://junglewise.ai/threats/cve-2021-21295-possible-request-smuggling-in-http-2-due-missing-validation"}],"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":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"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":"com.liferay.portal:release.portal.bom (Maven)","slug":"com-liferay-portal-release-portal-bom","vulnerabilities":92,"url":"https://junglewise.ai/threats/technologies/com-liferay-portal-release-portal-bom"},{"name":"org.keycloak:keycloak-services (Maven)","slug":"org-keycloak-keycloak-services","vulnerabilities":76,"url":"https://junglewise.ai/threats/technologies/org-keycloak-keycloak-services"},{"name":"org.keycloak:keycloak-core (Maven)","slug":"org-keycloak-keycloak-core","vulnerabilities":56,"url":"https://junglewise.ai/threats/technologies/org-keycloak-keycloak-core"},{"name":"org.apache.struts:struts2-core (Maven)","slug":"org-apache-struts-struts2-core","vulnerabilities":40,"url":"https://junglewise.ai/threats/technologies/org-apache-struts-struts2-core"},{"name":"net.mingsoft:ms-mcms (Maven)","slug":"net-mingsoft-ms-mcms","vulnerabilities":39,"url":"https://junglewise.ai/threats/technologies/net-mingsoft-ms-mcms"},{"name":"com.thoughtworks.xstream:xstream (Maven)","slug":"com-thoughtworks-xstream-xstream","vulnerabilities":37,"url":"https://junglewise.ai/threats/technologies/com-thoughtworks-xstream-xstream"},{"name":"com.jfinal:jfinal (Maven)","slug":"com-jfinal-jfinal","vulnerabilities":36,"url":"https://junglewise.ai/threats/technologies/com-jfinal-jfinal"},{"name":"org.jenkins-ci.plugins:script-security (Maven)","slug":"org-jenkins-ci-plugins-script-security","vulnerabilities":36,"url":"https://junglewise.ai/threats/technologies/org-jenkins-ci-plugins-script-security"},{"name":"org.apache.tomcat:tomcat (Maven)","slug":"org-apache-tomcat-tomcat","vulnerabilities":35,"url":"https://junglewise.ai/threats/technologies/org-apache-tomcat-tomcat"},{"name":"com.liferay.portal:release.dxp.bom (Maven)","slug":"com-liferay-portal-release-dxp-bom","vulnerabilities":34,"url":"https://junglewise.ai/threats/technologies/com-liferay-portal-release-dxp-bom"},{"name":"org.opencms:opencms-core (Maven)","slug":"org-opencms-opencms-core","vulnerabilities":31,"url":"https://junglewise.ai/threats/technologies/org-opencms-opencms-core"},{"name":"org.keycloak:keycloak-parent (Maven)","slug":"org-keycloak-keycloak-parent","vulnerabilities":26,"url":"https://junglewise.ai/threats/technologies/org-keycloak-keycloak-parent"}],"technology":{"hub":true,"name":"io.netty:netty-codec-http2 (Maven)","slug":"io-netty-netty-codec-http2","vendor":{"name":"Maven","slug":"maven","url":"https://junglewise.ai/threats/vendors/maven"},"aliases":[],"homepage":"https://netty.io/","repo_url":"https://github.com/netty/netty","description":"A Netty codec providing support for the HTTP/2 protocol.","url":"https://junglewise.ai/threats/technologies/io-netty-netty-codec-http2"},"most_severe":[{"cve":"CVE-2021-21295","cvss":3.1,"epss":0.1889,"slug":"cve-2021-21295-possible-request-smuggling-in-http-2-due-missing-validation","title":"Possible request smuggling in HTTP/2 due missing validation","severity":"low","exploited":false,"published_at":"2021-03-09T18:49:49+00:00","url":"https://junglewise.ai/threats/cve-2021-21295-possible-request-smuggling-in-http-2-due-missing-validation"},{"cve":"CVE-2021-21409","cvss":3.1,"epss":0.0494,"slug":"cve-2021-21409-possible-request-smuggling-in-http-2-due-missing-validation-of","title":"Possible request smuggling in HTTP/2 due missing validation of content-length","severity":"low","exploited":false,"published_at":"2021-03-30T15:10:38+00:00","url":"https://junglewise.ai/threats/cve-2021-21409-possible-request-smuggling-in-http-2-due-missing-validation-of"},{"cvss":3.1,"slug":"io-netty-netty-codec-http2-vulnerable-to-http-2-rapid-reset-attack-e10c4f89","title":"io.netty:netty-codec-http2 vulnerable to HTTP/2 Rapid Reset Attack","severity":"low","exploited":false,"published_at":"2023-10-10T22:22:54+00:00","url":"https://junglewise.ai/threats/io-netty-netty-codec-http2-vulnerable-to-http-2-rapid-reset-attack-e10c4f89"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}