CVE-2024-28182

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The nghttp2 library prior to version 1.61.0 keeps reading the unbounded number of HTTP/2 CONTINUATION frames even after a stream is reset to keep HPACK context in sync. This causes excessive CPU usage to decode HPACK stream. nghttp2 v1.61.0 mitigates this vulnerability by limiting the number of CONTINUATION frames it accepts per stream. There is no workaround for this vulnerability."}, {"lang": "es", "value": "nghttp2 es una implementaci\u00f3n del protocolo de transferencia de hipertexto versi\u00f3n 2 en C. La librer\u00eda nghttp2 anterior a la versi\u00f3n 1.61.0 sigue leyendo el n\u00famero ilimitado de tramas de CONTINUACI\u00d3N HTTP/2 incluso despu\u00e9s de que se restablece una secuencia para mantener sincronizado el contexto HPACK. Esto provoca un uso excesivo de la CPU para decodificar el flujo HPACK. nghttp2 v1.61.0 mitiga esta vulnerabilidad al limitar la cantidad de cuadros de CONTINUACI\u00d3N que acepta por transmisi\u00f3n. No existe workaround para esta vulnerabilidad."}], "id": "CVE-2024-28182", "lastModified": "2026-10-15T01:17:41.807", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-28182", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-04-04T17:15:08.320689Z", "version": "2.0.3"}}]}, "published": "2024-04-04T15:15:38.427", "references": [{"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2024/04/03/16"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/nghttp2/nghttp2/commit/00201ecd8f982da3b67d4f6868af72a1b03b14e0"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/nghttp2/nghttp2/commit/d71a4668c6bead55805d18810d633fbb98315af9"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/nghttp2/nghttp2/security/advisories/GHSA-x6x3-gv8h-m57q"}, {"source": "security-advisories@github.com", "tags": ["Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00026.html"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AGOME6ZXJG7664IPQNVE3DL67E3YP3HY/"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J6ZMXUGB66VAXDW5J6QSTHM5ET25FGSA/"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PXJO2EASHM2OQQLGVDY5ZSO7UVDVHTDK/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2024/04/03/16"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/nghttp2/nghttp2/commit/00201ecd8f982da3b67d4f6868af72a1b03b14e0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/nghttp2/nghttp2/commit/d71a4668c6bead55805d18810d633fbb98315af9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/nghttp2/nghttp2/security/advisories/GHSA-x6x3-gv8h-m57q"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00026.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00041.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AGOME6ZXJG7664IPQNVE3DL67E3YP3HY/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J6ZMXUGB66VAXDW5J6QSTHM5ET25FGSA/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PXJO2EASHM2OQQLGVDY5ZSO7UVDVHTDK/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.kb.cert.org/vuls/id/421644"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-784301.html"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Bartek Nowotarski (nowotarski.info) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2024:2693", "cpe": "cpe:/a:redhat:jboss_core_services:1::el8", "package": "jbcs-httpd24-curl-0:8.7.1-2.el8jbcs", "product_name": "JBoss Core Services for RHEL 8", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2693", "cpe": "cpe:/a:redhat:jboss_core_services:1::el8", "package": "jbcs-httpd24-httpd-0:2.4.57-10.el8jbcs", "product_name": "JBoss Core Services for RHEL 8", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2693", "cpe": "cpe:/a:redhat:jboss_core_services:1::el8", "package": "jbcs-httpd24-mod_http2-0:1.15.19-37.el8jbcs", "product_name": "JBoss Core Services for RHEL 8", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2693", "cpe": "cpe:/a:redhat:jboss_core_services:1::el8", "package": "jbcs-httpd24-mod_jk-0:1.2.49-6.redhat_1.el8jbcs", "product_name": "JBoss Core Services for RHEL 8", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2693", "cpe": "cpe:/a:redhat:jboss_core_services:1::el8", "package": "jbcs-httpd24-mod_md-1:2.4.24-6.el8jbcs", "product_name": "JBoss Core Services for RHEL 8", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2693", "cpe": "cpe:/a:redhat:jboss_core_services:1::el8", "package": "jbcs-httpd24-mod_proxy_cluster-0:1.3.20-4.el8jbcs", "product_name": "JBoss Core Services for RHEL 8", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2693", "cpe": "cpe:/a:redhat:jboss_core_services:1::el8", "package": "jbcs-httpd24-mod_security-0:2.9.3-36.el8jbcs", "product_name": "JBoss Core Services for RHEL 8", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2693", "cpe": "cpe:/a:redhat:jboss_core_services:1::el8", "package": "jbcs-httpd24-nghttp2-0:1.43.0-13.el8jbcs", "product_name": "JBoss Core Services for RHEL 8", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2693", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-curl-0:8.7.1-2.el7jbcs", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2693", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-httpd-0:2.4.57-10.el7jbcs", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2693", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-mod_http2-0:1.15.19-37.el7jbcs", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2693", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-mod_jk-0:1.2.49-6.redhat_1.el7jbcs", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2693", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-mod_md-1:2.4.24-6.el7jbcs", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2693", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-mod_proxy_cluster-0:1.3.20-4.el7jbcs", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2693", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-mod_security-0:2.9.3-36.el7jbcs", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2693", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-nghttp2-0:1.43.0-13.el7jbcs", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2778", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "nodejs:20-8090020240422150739.a75119d5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-05-09T00:00:00Z"}, {"advisory": "RHSA-2024:2780", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "nodejs:18-8090020240429131734.a75119d5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-05-09T00:00:00Z"}, {"advisory": "RHSA-2024:4252", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "nghttp2-0:1.33.0-6.el8_10.1", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-07-02T00:00:00Z"}, {"advisory": "RHSA-2024:4576", "cpe": "cpe:/o:redhat:rhel_aus:8.2", "package": "nghttp2-0:1.33.0-3.el8_2.3", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2024-07-16T00:00:00Z"}, {"advisory": "RHSA-2024:4732", "cpe": "cpe:/o:redhat:rhel_aus:8.4", "package": "nghttp2-0:1.33.0-4.el8_4.2", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2024-07-23T00:00:00Z"}, {"advisory": "RHSA-2024:4732", "cpe": "cpe:/o:redhat:rhel_tus:8.4", "package": "nghttp2-0:1.33.0-4.el8_4.2", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2024-07-23T00:00:00Z"}, {"advisory": "RHSA-2024:4732", "cpe": "cpe:/o:redhat:rhel_e4s:8.4", "package": "nghttp2-0:1.33.0-4.el8_4.2", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2024-07-23T00:00:00Z"}, {"advisory": "RHSA-2024:3763", "cpe": "cpe:/o:redhat:rhel_aus:8.6", "package": "nghttp2-0:1.33.0-4.el8_6.2", "product_name": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "release_date": "2024-06-10T00:00:00Z"}, {"advisory": "RHSA-2024:3763", "cpe": "cpe:/o:redhat:rhel_tus:8.6", "package": "nghttp2-0:1.33.0-4.el8_6.2", "product_name": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service", "release_date": "2024-06-10T00:00:00Z"}, {"advisory": "RHSA-2024:3763", "cpe": "cpe:/o:redhat:rhel_e4s:8.6", "package": "nghttp2-0:1.33.0-4.el8_6.2", "product_name": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions", "release_date": "2024-06-10T00:00:00Z"}, {"advisory": "RHSA-2024:4824", "cpe": "cpe:/a:redhat:rhel_eus:8.8", "package": "nodejs:18-8080020240621122004.63b34585", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-07-24T00:00:00Z"}, {"advisory": "RHSA-2024:3701", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "nghttp2-0:1.33.0-5.el8_8.1", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-06-06T00:00:00Z"}, {"advisory": "RHSA-2024:2779", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "nodejs:18-9040020240422140329.rhel9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-05-09T00:00:00Z"}, {"advisory": "RHSA-2024:2853", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "nodejs:20-9040020240419140200.rhel9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-05-15T00:00:00Z"}, {"advisory": "RHSA-2024:2910", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "nodejs-1:16.20.2-8.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-05-20T00:00:00Z"}, {"advisory": "RHSA-2024:3501", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "nghttp2-0:1.43.0-5.el9_4.3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-05-30T00:00:00Z"}, {"advisory": "RHSA-2024:4721", "cpe": "cpe:/a:redhat:rhel_e4s:9.0", "package": "nodejs-1:16.20.2-9.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "release_date": "2024-07-23T00:00:00Z"}, {"advisory": "RHSA-2024:3875", "cpe": "cpe:/o:redhat:rhel_e4s:9.0", "package": "nghttp2-0:1.43.0-5.el9_0.3", "product_name": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "release_date": "2024-06-12T00:00:00Z"}, {"advisory": "RHSA-2024:2937", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "nodejs-1:16.20.2-5.el9_2.3", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-05-21T00:00:00Z"}, {"advisory": "RHSA-2024:3544", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "nodejs:18-9020020240516091141.rhel9", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-06-03T00:00:00Z"}, {"advisory": "RHSA-2024:3665", "cpe": "cpe:/o:redhat:rhel_eus:9.2", "package": "nghttp2-0:1.43.0-5.el9_2.3", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-06-06T00:00:00Z"}, {"advisory": "RHSA-2024:2694", "cpe": "cpe:/a:redhat:jboss_core_services:1", "package": "jbcs-httpd24-nghttp2", "product_name": "Text-Only JBCS", "release_date": "2024-05-07T00:00:00Z"}], "bugzilla": {"description": "nghttp2: CONTINUATION frames DoS", "id": "2268639", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2268639"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-390", "details": ["nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. The nghttp2 library prior to version 1.61.0 keeps reading the unbounded number of HTTP/2 CONTINUATION frames even after a stream is reset to keep HPACK context in sync. This causes excessive CPU usage to decode HPACK stream. nghttp2 v1.61.0 mitigates this vulnerability by limiting the number of CONTINUATION frames it accepts per stream. There is no workaround for this vulnerability.", "A vulnerability was found in how nghttp2 implements the HTTP/2 protocol. There are insufficient limitations placed on the amount of CONTINUATION frames that can be sent within a single stream. This issue could allow an unauthenticated remote attacker to send packets to vulnerable servers, which could use up compute or memory resources to cause a Denial of Service."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}, "name": "CVE-2024-28182", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "nghttp2", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "nodejs20", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "nodejs:16/nodejs", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:jboss_core_services:1", "fix_state": "Affected", "package_name": "nghttp2", "product_name": "Red Hat JBoss Core Services"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Will not fix", "package_name": "httpd24-nghttp2", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Will not fix", "package_name": "rh-nodejs14-nodejs", "product_name": "Red Hat Software Collections"}], "public_date": "2024-04-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-28182\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-28182\nhttps://github.com/nghttp2/nghttp2/security/advisories/GHSA-x6x3-gv8h-m57q\nhttps://nowotarski.info/http2-continuation-flood/\nhttps://www.kb.cert.org/vuls/id/421644"], "statement": "Red Hat rates the security impact of this vulnerability as Moderate, in alignment with upstream nghttp2. The worst case scenario is excessive CPU utilization causing a denial of service. Once an attack has ended, the system should return to normal operations on its own.", "threat_severity": "Moderate"}

{}