Home > Vulnerability Database > CVE-2023-44487

Mend.io Vulnerability Database

CVE-2023-44487

Good to know:

Date: October 10, 2023

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 2023.

Language: Swift

Severity Score

7.5

Related Resources (162)

Url: https://github.com/microsoft/CBL-Mariner/pull/6381

Url: http://www.openwall.com/lists/oss-security/2023/10/19/6

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MBEPPC36UBVOZZNAXFHKLFGSLCMN5LI/

Url: https://github.com/eclipse/jetty.project/issues/10679

Url: https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/

Url: https://www.debian.org/security/2023/dsa-5522

Url: https://github.com/etcd-io/etcd/issues/16740

Url: https://www.debian.org/security/2023/dsa-5521

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XFOIBB4YFICHDM7IBOP7PWXW3FX4HLL2/

Url: https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487

Url: https://security-tracker.debian.org/tracker/CVE-2023-44487

Url: https://github.com/haproxy/haproxy/issues/2312

Url: https://github.com/netty/netty/commit/58f75f665aa81a8cbcf6ffa74820042a285c5e61

Url: https://github.com/caddyserver/caddy/issues/5877

Url: https://www.theregister.com/2023/10/10/http2_rapid_reset_zeroday/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3N4NJ7FR4X4FPZUGNTQAPSTVB2HB2Y4A/

Url: https://github.com/apache/tomcat/tree/main/java/org/apache/coyote/http2

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WLPRQ5TWUQQXYWBJM7ECYDAIL2YVKIUH/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VSRDIV77HNKUSM7SJC5BKE5JSHLHU2NK/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KSEGD2IWKNUO3DWY4KQGUQM5BISRWHQE/

Url: https://github.com/advisories/GHSA-qppj-fm5r-hxr3

Url: https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.14

Url: https://www.haproxy.com/blog/haproxy-is-not-affected-by-the-http-2-rapid-reset-attack-cve-2023-44487

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LNMZJCDHGLJJLXO4OXWJMTVQRNWOC7UL/

Url: https://security.netapp.com/advisory/ntap-20240426-0007/

Url: https://github.com/dotnet/announcements/issues/277

Url: https://github.com/envoyproxy/envoy/pull/30055

Url: https://github.com/openresty/openresty/issues/930

Url: https://lists.debian.org/debian-lts-announce/2023/10/msg00020.html

Url: https://community.traefik.io/t/is-traefik-vulnerable-to-cve-2023-44487/20125

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JIZSEFC3YKCGABA2BZW6ZJRMDZJMB7PJ/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LKYHSZQFDNR7RSA7LHVLLIAQMVYCUGBG/

Url: https://lists.debian.org/debian-lts-announce/2023/10/msg00047.html

Url: https://discuss.hashicorp.com/t/hcsec-2023-32-vault-consul-and-boundary-affected-by-http-2-rapid-reset-denial-of-service-vulnerability-cve-2023-44487/59715

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CLB4TW7KALB3EEQWNWCN7OUIWWVWWCG2/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HT7T2R4MQKLIF4ODV4BDLPARWFPCJ5CZ/

Url: https://lists.apache.org/thread/5py8h42mxfsn8l1wy6o41xwhsjlsd87q

Url: https://github.com/apache/apisix/issues/10320

Url: https://github.com/projectcontour/contour/pull/5826

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNA62Q767CFAFHBCDKYNPBMZWB7TWYVU/

Url: https://openssf.org/blog/2023/10/10/http-2-rapid-reset-vulnerability-highlights-need-for-rapid-response/

Url: https://www.darkreading.com/cloud/internet-wide-zero-day-bug-fuels-largest-ever-ddos-event

Url: https://github.com/Kong/kong/discussions/11741

Url: https://github.com/advisories/GHSA-vx74-f528-fxqg

Url: https://github.com/h2o/h2o/pull/3291

Url: https://github.com/oqtane/oqtane.framework/discussions/3367

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKQSIKIAT5TJ3WSLU3RDBQ35YX4GY4V3/

Url: https://istio.io/latest/news/security/istio-security-2023-004/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VSRDIV77HNKUSM7SJC5BKE5JSHLHU2NK/

Url: https://nvd.nist.gov/vuln/detail/CVE-2023-44487

Url: https://github.com/junkurihara/rust-rpxy/issues/97

Url: https://github.com/nodejs/node/pull/50121

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JIZSEFC3YKCGABA2BZW6ZJRMDZJMB7PJ/

Url: https://www.netlify.com/blog/netlify-successfully-mitigates-cve-2023-44487/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZB43REMKRQR62NJEI7I5NQ4FSXNLBKRT/

Url: https://www.bleepingcomputer.com/news/security/new-http-2-rapid-reset-zero-day-attack-breaks-ddos-records/

Url: https://www.debian.org/security/2023/dsa-5570

Url: https://github.com/line/armeria/pull/5232

Url: https://github.com/arkrwn/PoC/tree/main/CVE-2023-44487

Url: https://www.phoronix.com/news/HTTP2-Rapid-Reset-Attack

Url: https://github.com/nghttp2/nghttp2/pull/1961

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZLU6U2R2IC2K64NDPNMV55AUAO65MAF4/

Url: https://my.f5.com/manage/s/article/K000137106

Url: https://github.com/apache/httpd/blob/afcdbeebbff4b0c50ea26cdd16e178c0d1f24152/modules/http2/h2_mplx.c#L1101-L1113

Url: https://github.com/varnishcache/varnish-cache/issues/3996

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JMEXY22BFG5Q64HQCM5CK2Q7KDKVV4TY/

Url: https://github.com/alibaba/tengine/issues/1872

Url: https://lists.debian.org/debian-lts-announce/2023/10/msg00024.html

Url: https://github.com/dotnet/core/blob/e4613450ea0da7fd2fc6b61dfb2c1c1dec1ce9ec/release-notes/6.0/6.0.23/6.0.23.md?plain=1#L73

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CLB4TW7KALB3EEQWNWCN7OUIWWVWWCG2/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X6QXN4ORIVF6XBW4WWFE7VNPVC74S45Y/

Url: https://bugzilla.redhat.com/show_bug.cgi?id=2242803

Url: https://msrc.microsoft.com/blog/2023/10/microsoft-response-to-distributed-denial-of-service-ddos-attacks-against-http/2/

Url: https://groups.google.com/g/golang-announce/c/iNNxDTCjZvo

Url: http://www.openwall.com/lists/oss-security/2023/10/13/9

Url: https://github.com/golang/go/issues/63417

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFQD3KUEMFBHPAPBGLWQC34L4OWL5HAZ/

Url: https://aws.amazon.com/security/security-bulletins/AWS-2023-011/

Url: https://lists.debian.org/debian-lts-announce/2023/11/msg00001.html

Url: https://blog.qualys.com/vulnerabilities-threat-research/2023/10/10/cve-2023-44487-http-2-rapid-reset-attack

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LNMZJCDHGLJJLXO4OXWJMTVQRNWOC7UL/

Url: https://netty.io/news/2023/10/10/4-1-100-Final.html

Url: https://blog.litespeedtech.com/2023/10/11/rapid-reset-http-2-vulnerablilty/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VHUHTSXLXGXS7JYKBXTA3VINUPHTNGVU/

Url: https://github.com/kazu-yamamoto/http2/commit/f61d41a502bd0f60eb24e1ce14edc7b6df6722a1

Url: https://security.gentoo.org/glsa/202311-09

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JMEXY22BFG5Q64HQCM5CK2Q7KDKVV4TY/

Url: https://ubuntu.com/security/CVE-2023-44487

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HT7T2R4MQKLIF4ODV4BDLPARWFPCJ5CZ/

Url: http://www.openwall.com/lists/oss-security/2023/10/20/8

Url: https://github.com/facebook/proxygen/pull/466

Url: https://github.com/kubernetes/kubernetes/pull/121120

Url: https://github.com/hyperium/hyper/issues/3337

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LKYHSZQFDNR7RSA7LHVLLIAQMVYCUGBG/

Url: https://lists.debian.org/debian-lts-announce/2023/10/msg00023.html

Url: https://news.ycombinator.com/item?id=37831062

Url: https://bugzilla.suse.com/show_bug.cgi?id=1216123

Url: https://github.com/nghttp2/nghttp2/releases/tag/v1.57.0

Url: https://news.ycombinator.com/item?id=37837043

Url: https://edg.io/lp/blog/resets-leaks-ddos-and-the-tale-of-a-hidden-cve

Url: https://www.debian.org/security/2023/dsa-5558

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WLPRQ5TWUQQXYWBJM7ECYDAIL2YVKIUH/

Url: https://github.com/tempesta-tech/tempesta/issues/1986

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E72T67UPDRXHIDLO3OROR25YAMN4GGW5/

Url: https://github.com/h2o/h2o/security/advisories/GHSA-2m7v-gc89-fjqf

Url: https://github.com/grpc/grpc-go/pull/6703

Url: https://github.com/apache/trafficserver/pull/10564

Url: https://seanmonstar.com/post/730794151136935936/hyper-http2-rapid-reset-unaffected

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KSEGD2IWKNUO3DWY4KQGUQM5BISRWHQE/

Url: https://www.debian.org/security/2023/dsa-5540

Url: https://cgit.freebsd.org/ports/commit/?id=c64c329c2c1752f46b73e3e6ce9f4329be6629f9

Url: https://github.com/advisories/GHSA-xpw8-rcwv-8f8p

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3N4NJ7FR4X4FPZUGNTQAPSTVB2HB2Y4A/

Url: http://www.openwall.com/lists/oss-security/2023/10/18/4

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHUHTSXLXGXS7JYKBXTA3VINUPHTNGVU/

Url: https://access.redhat.com/security/cve/cve-2023-44487

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLU6U2R2IC2K64NDPNMV55AUAO65MAF4/

Url: http://www.openwall.com/lists/oss-security/2023/10/18/8

Url: https://lists.debian.org/debian-lts-announce/2023/11/msg00012.html

Url: https://www.debian.org/security/2023/dsa-5549

Url: https://bugzilla.proxmox.com/show_bug.cgi?id=4988

Url: https://github.com/apache/httpd-site/pull/10

Url: https://github.com/opensearch-project/data-prepper/issues/3474

Url: https://github.com/akka/akka-http/issues/4323

Url: https://blog.vespa.ai/cve-2023-44487/

Url: https://news.ycombinator.com/item?id=37830987

Url: https://www.openwall.com/lists/oss-security/2023/10/10/6

Url: https://github.com/linkerd/website/pull/1695/commits/4b9c6836471bc8270ab48aae6fd2181bc73fd632

Url: https://mailman.nginx.org/pipermail/nginx-devel/2023-October/S36Q5HBXR7CAIMPLLPRSSSYR4PCMWILK.html

Url: https://gist.github.com/adulau/7c2bfb8e9cdbe4b35a5e131c66a0c088

Url: https://lists.debian.org/debian-lts-announce/2023/10/msg00045.html

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E72T67UPDRXHIDLO3OROR25YAMN4GGW5/

Url: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-44487

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XFOIBB4YFICHDM7IBOP7PWXW3FX4HLL2/

Url: https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/

Url: https://forums.swift.org/t/swift-nio-http2-security-update-cve-2023-44487-http-2-dos/67764

Url: https://arstechnica.com/security/2023/10/how-ddosers-used-the-http-2-protocol-to-deliver-attacks-of-unprecedented-size/

Url: https://github.com/caddyserver/caddy/releases/tag/v2.7.5

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKQSIKIAT5TJ3WSLU3RDBQ35YX4GY4V3/

Url: https://cloud.google.com/blog/products/identity-security/google-cloud-mitigated-largest-ddos-attack-peaking-above-398-million-rps/

Url: https://linkerd.io/2023/10/12/linkerd-cve-2023-44487/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WE2I52RHNNU42PX6NZ2RBUHSFFJ2LVZX/

Url: https://github.com/icing/mod_h2/blob/0a864782af0a942aa2ad4ed960a6b32cd35bcf0a/mod_http2/README.md?plain=1#L239-L244

Url: https://github.com/micrictor/http2-rst-stream

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BFQD3KUEMFBHPAPBGLWQC34L4OWL5HAZ/

Url: https://github.com/bcdannyboy/CVE-2023-44487

Url: https://martinthomson.github.io/h2-stream-limits/draft-thomson-httpbis-h2-stream-limits.html

Url: https://github.com/kazu-yamamoto/http2/issues/93

Url: https://security.netapp.com/advisory/ntap-20231016-0001/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZB43REMKRQR62NJEI7I5NQ4FSXNLBKRT/

Url: https://cloud.google.com/blog/products/identity-security/how-it-works-the-novel-http2-rapid-reset-ddos-attack

Url: https://blog.cloudflare.com/zero-day-rapid-reset-http2-record-breaking-ddos-attack/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X6QXN4ORIVF6XBW4WWFE7VNPVC74S45Y/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FNA62Q767CFAFHBCDKYNPBMZWB7TWYVU/

Url: https://chaos.social/@icing/111210915918780532

Url: https://github.com/Azure/AKS/issues/3947

Url: https://news.ycombinator.com/item?id=37830998

Url: https://github.com/ninenines/cowboy/issues/1615

Url: https://security.paloaltonetworks.com/CVE-2023-44487

Url: http://www.openwall.com/lists/oss-security/2023/10/13/4

Url: https://lists.w3.org/Archives/Public/ietf-http-wg/2023OctDec/0025.html

Url: https://www.mend.io/vulnerability-database/CVE-2023-44487

Severity Score

7.5

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Top Fix

Upgrade Version

Upgrade to version org.eclipse.jetty.http2:http2-server:9.4.53.v20231009,10.0.17,11.0.17, org.eclipse.jetty.http2:jetty-http2-server:12.0.2, org.eclipse.jetty.http2:http2-common:9.4.53.v20231009,10.0.17,11.0.17, org.eclipse.jetty.http2:jetty-http2-common:12.0.2, nghttp - v1.57.0, swift-nio-http2 - 1.28.0, io.netty:netty-codec-http2:4.1.100.Final, trafficserver - 9.2.3, org.apache.tomcat:tomcat-coyote:8.5.94,9.0.81,10.1.14, org.apache.tomcat.embed:tomcat-embed-core:8.5.94,9.0.81,10.1.14, Microsoft.AspNetCore.App - 6.0.23,7.0.12, contour - v1.26.1, proxygen - v2023.10.16.00, grpc-go - v1.56.3,v1.57.1,v1.58.3, kubernetes/kubernetes - v1.25.15,v1.26.10,v1.27.7,v1.28.3,v1.29.0, kubernetes/apimachinery - v0.25.15,v0.26.10,v0.27.7,v0.28.3,v0.29.0

Learn More

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

Mend.io Vulnerability Database

We found results for “”

CVE-2023-44487

Good to know:

Date: October 10, 2023

Language: Swift

Severity Score

Related Resources (162)

Severity Score

Weakness Type (CWE)

Top Fix

Upgrade Version

CVSS v3.1

Do you need more information?