{"action":"Upgrade org.apache.tomcat.embed:tomcat-embed-core to 8.5.94 (8.x), 9.0.81 (9.x), 10.1.14 (10.x) or 11.0.0-M12 (11.x) or later.","affected":[{"fixed":"11.0.0-M12","introduced":"11.0.0-M1"},{"fixed":"10.1.14","introduced":"10.0.0"},{"fixed":"9.0.81","introduced":"9.0.0"},{"fixed":"8.5.94","introduced":"8.5.0"}],"component":"org.apache.tomcat.embed:tomcat-embed-core","cve_ids":["CVE-2023-44487"],"ecosystem":"Maven","epss":0.99999,"exploited":true,"fixed_versions":["11.0.0-M12","10.1.14","9.0.81","8.5.94"],"ghsa_id":"GHSA-qppj-fm5r-hxr3","id":"tcs_01M5N99YS8C8PQ3NSA62PC4278","modified_at":"2026-09-10T03:50:04.757558216Z","published_at":"2023-10-10T21:28:24Z","references":["https://osv.dev/vulnerability/GHSA-qppj-fm5r-hxr3","https://github.com/apple/swift-nio-http2/security/advisories/GHSA-qppj-fm5r-hxr3","https://github.com/h2o/h2o/security/advisories/GHSA-2m7v-gc89-fjqf","https://nvd.nist.gov/vuln/detail/CVE-2023-44487","https://github.com/alibaba/tengine/issues/1872","https://github.com/apache/apisix/issues/10320","https://github.com/akka/akka-http/issues/4323","https://github.com/varnishcache/varnish-cache/issues/3996","https://github.com/tempesta-tech/tempesta/issues/1986","https://github.com/Azure/AKS/issues/3947","https://github.com/opensearch-project/data-prepper/issues/3474","https://github.com/caddyserver/caddy/issues/5877","https://github.com/openresty/openresty/issues/930","https://github.com/dotnet/announcements/issues/277","https://github.com/eclipse/jetty.project/issues/10679","https://github.com/etcd-io/etcd/issues/16740","https://github.com/golang/go/issues/63417","https://github.com/ninenines/cowboy/issues/1615","https://github.com/haproxy/haproxy/issues/2312","https://github.com/hyperium/hyper/issues/3337","https://github.com/kazu-yamamoto/http2/issues/93","https://github.com/junkurihara/rust-rpxy/issues/97","https://github.com/microsoft/CBL-Mariner/pull/6381","https://github.com/linkerd/website/pull/1695/commits/4b9c6836471bc8270ab48aae6fd2181bc73fd632","https://github.com/line/armeria/pull/5232","https://github.com/kubernetes/kubernetes/pull/121120","https://github.com/apache/httpd-site/pull/10","https://github.com/projectcontour/contour/pull/5826","https://github.com/apache/trafficserver/pull/10564","https://github.com/nghttp2/nghttp2/pull/1961","https://github.com/h2o/h2o/pull/3291","https://github.com/grpc/grpc-go/pull/6703","https://github.com/nodejs/node/pull/50121","https://github.com/envoyproxy/envoy/pull/30055","https://github.com/facebook/proxygen/pull/466","https://github.com/akka/akka-http/pull/4325","https://github.com/akka/akka-http/pull/4324","https://github.com/netty/netty/commit/58f75f665aa81a8cbcf6ffa74820042a285c5e61","https://github.com/apache/tomcat/commit/944332bb15bd2f3bf76ec2caeb1ff0a58a3bc628","https://github.com/kazu-yamamoto/http2/commit/f61d41a502bd0f60eb24e1ce14edc7b6df6722a1","https://lists.w3.org/Archives/Public/ietf-http-wg/2023OctDec/0025.html","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/E72T67UPDRXHIDLO3OROR25YAMN4GGW5","https://martinthomson.github.io/h2-stream-limits/draft-thomson-httpbis-h2-stream-limits.html","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CLB4TW7KALB3EEQWNWCN7OUIWWVWWCG2","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/3N4NJ7FR4X4FPZUGNTQAPSTVB2HB2Y4A","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2MBEPPC36UBVOZZNAXFHKLFGSLCMN5LI","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLU6U2R2IC2K64NDPNMV55AUAO65MAF4","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKQSIKIAT5TJ3WSLU3RDBQ35YX4GY4V3","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZB43REMKRQR62NJEI7I5NQ4FSXNLBKRT","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XFOIBB4YFICHDM7IBOP7PWXW3FX4HLL2","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X6QXN4ORIVF6XBW4WWFE7VNPVC74S45Y","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WLPRQ5TWUQQXYWBJM7ECYDAIL2YVKIUH","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WE2I52RHNNU42PX6NZ2RBUHSFFJ2LVZX","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/ZKQSIKIAT5TJ3WSLU3RDBQ35YX4GY4V3","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZB43REMKRQR62NJEI7I5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Stream Cancellation Attack"}