The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 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om/show_bug.cgi?id=1216123https://bugzilla.redhat.com/show_bug.cgi?id=2242803https://ubuntu.com/security/CVE-2023-44487https://community.traefik.io/t/is-traefik-vulnerable-to-cve-2023-44487/20125https://github.com/advisories/GHSA-qppj-fm5r-hxr3https://github.com/apache/httpd-site/pull/10https://github.com/projectcontour/contour/pull/5826https://github.com/linkerd/website/pull/1695/commits/4b9c6836471bc8270ab48aae6fd2181bc73fd632https://github.com/line/armeria/pull/5232https://blog.litespeedtech.com/2023/10/11/rapid-reset-http-2-vulnerablilty/https://security.paloaltonetworks.com/CVE-2023-44487https://github.com/akka/akka-http/issues/4323https://github.com/openresty/openresty/issues/930https://github.com/apache/apisix/issues/10320https://github.com/Azure/AKS/issues/3947https://github.com/Kong/kong/discussions/11741https://github.com/arkrwn/PoC/tree/main/CVE-2023-44487https://www.netlify.com/blog/netlify-successfully-mitigates-cve-2023-44487/https://github.com/caddyserver/caddy/releases/tag/v2.7.5https://lists.debian.org/debian-lts-announce/2023/10/msg00020.htmlhttp://www.openwall.com/lists/oss-security/2023/10/13/4http://www.openwall.com/lists/oss-security/2023/10/13/9https://arstechnica.com/security/2023/10/how-ddosers-used-the-http-2-protocol-to-deliver-attacks-of-unprecedented-size/https://lists.w3.org/Archives/Public/ietf-http-wg/2023OctDec/0025.htmlhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JMEXY22BFG5Q64HQCM5CK2Q7KDKVV4TY/https://linkerd.io/2023/10/12/linkerd-cve-2023-44487/https://lists.debian.org/debian-lts-announce/2023/10/msg00023.htmlhttps://security.netapp.com/advisory/ntap-20231016-0001/https://lists.debian.org/debian-lts-announce/2023/10/msg00024.htmlhttp://www.openwall.com/lists/oss-security/2023/10/18/4http://www.openwall.com/lists/oss-security/2023/10/18/8http://www.openwall.com/lists/oss-security/2023/10/19/6https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKQSIKIAT5TJ3WSLU3RDBQ35YX4GY4V3/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JIZSEFC3YKCGABA2BZW6ZJRMDZJMB7PJ/http://www.openwall.com/lists/oss-security/2023/10/20/8https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WLPRQ5TWUQQXYWBJM7ECYDAIL2YVKIUH/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E72T67UPDRXHIDLO3OROR25YAMN4GGW5/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BFQD3KUEMFBHPAPBGLWQC34L4OWL5HAZ/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZLU6U2R2IC2K64NDPNMV55AUAO65MAF4/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X6QXN4ORIVF6XBW4WWFE7VNPVC74S45Y/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LKYHSZQFDNR7RSA7LHVLLIAQMVYCUGBG/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FNA62Q767CFAFHBCDKYNPBMZWB7TWYVU/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LNMZJCDHGLJJLXO4OXWJMTVQRNWOC7UL/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KSEGD2IWKNUO3DWY4KQGUQM5BISRWHQE/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CLB4TW7KALB3EEQWNWCN7OUIWWVWWCG2/https://lists.debian.org/debian-lts-announce/2023/10/msg00045.htmlhttps://www.debian.org/security/2023/dsa-5540https://lists.debian.org/debian-lts-announce/2023/10/msg00047.htmlhttps://discuss.hashicorp.com/t/hcsec-2023-32-vault-consul-and-boundary-affected-by-http-2-rapid-reset-denial-of-service-vulnerability-cve-2023-44487/59715https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VHUHTSXLXGXS7JYKBXTA3VINUPHTNGVU/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VSRDIV77HNKUSM7SJC5BKE5JSHLHU2NK/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3N4NJ7FR4X4FPZUGNTQAPSTVB2HB2Y4A/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZB43REMKRQR62NJEI7I5NQ4FSXNLBKRT/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HT7T2R4MQKLIF4ODV4BDLPARWFPCJ5CZ/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XFOIBB4YFICHDM7IBOP7PWXW3FX4HLL2/https://lists.debian.org/debian-lts-announce/2023/11/msg00001.htmlhttps://www.debian.org/security/2023/dsa-5549https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2MBEPPC36UBVOZZNAXFHKLFGSLCMN5LI/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WE2I52RHNNU42PX6NZ2RBUHSFFJ2LVZX/https://www.debian.org/security/2023/dsa-5558https://lists.debian.org/debian-lts-announce/2023/11/msg00012.htmlhttps://security.gentoo.org/glsa/202311-09https://www.debian.org/security/2023/dsa-5570https://security.netapp.com/advisory/ntap-20240426-0007/https://security.netapp.com/advisory/ntap-20240621-0006/https://security.netapp.com/advisory/ntap-20240621-0007/https://github.com/grpc/grpc/releases/tag/v1.59.2https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http2-reset-d8Kf32vZ
