Advisory record · GHSA-qppj-fm5r-hxr3

HTTP/2 Stream Cancellation Attack

CVSS 5.3 MediumCriticalIn CISA KEVEPSS 1.00 · 99th percentile

Critical, because:

  • In CISA’s KEV catalogue since 10 Oct 2023: it is known to be exploited.

How we decide what’s critical

Published by the GitHub Advisory Database at 10 Oct 2023, 21:28 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
golang.org/x/netGo<0.17.00.17.0
org.apache.tomcat:tomcat-coyoteMaven>=11.0.0-M1, <11.0.0-M12 || >=10.0.0, <10.1.14 || >=9.0.0, <9.0.81 || >=8.5.0, <8.5.9411.0.0-M12, 10.1.14, 9.0.81, 8.5.94
org.apache.tomcat.embed:tomcat-embed-coreMaven>=11.0.0-M1, <11.0.0-M12 || >=10.0.0, <10.1.14 || >=9.0.0, <9.0.81 || >=8.5.0, <8.5.9411.0.0-M12, 10.1.14, 9.0.81, 8.5.94
org.eclipse.jetty.http2:http2-commonMaven>=9.3.0, <9.4.53 || >=10.0.0, <10.0.17 || >=11.0.0, <11.0.179.4.53, 10.0.17, 11.0.17
org.eclipse.jetty.http2:http2-serverMaven>=9.3.0, <9.4.53 || >=10.0.0, <10.0.17 || >=11.0.0, <11.0.179.4.53, 10.0.17, 11.0.17
org.eclipse.jetty.http2:jetty-http2-commonMaven>=12.0.0, <12.0.212.0.2
org.eclipse.jetty.http2:jetty-http2-serverMaven>=12.0.0, <12.0.212.0.2
com.typesafe.akka:akka-http-coreMaven<10.5.310.5.3
com.typesafe.akka:akka-http-core_2.13Maven<10.5.310.5.3
com.typesafe.akka:akka-http-core_2.12Maven<10.5.310.5.3
com.typesafe.akka:akka-http-core_2.11Maven<=10.1.15No fixed version yet
Identifiers
GHSA-qppj-fm5r-hxr3 · BIT-apisix-2023-44487 · BIT-aspnet-core-2023-44487 · BIT-contour-2023-44487 · BIT-dotnet-2023-44487 · BIT-dotnet-sdk-2023-44487 · BIT-envoy-2023-44487 · BIT-golang-2023-44487 · BIT-jenkins-2023-44487 · BIT-kong-2023-44487 · BIT-nginx-2023-44487 · BIT-nginx-gateway-2023-44487 · BIT-node-2023-44487 · BIT-node-min-2023-44487 · BIT-solr-2023-44487 · BIT-tomcat-2023-44487 · BIT-varnish-2023-44487 · CVE-2023-44487
Weakness (CWE)
CWE-400
Published
10 Oct 2023
Updated
10 Sept 2026

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:H GitHub Advisory Database
  • CISA KEV Listed since 10 Oct 2023: known to be exploited.
  • EPSS 1.00, the 99th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:15 UTC First seen by agentprime
  2. 31 Oct 2026, 14:15 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.