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CVE-2023-44487

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2023-6105-01
Posted Oct 27, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-6105-01 - An update is now available for Red Hat JBoss Core Services. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 5ccba9d7365da20cb57dfc11e68a9b13b02b31d6fae706fc76e433d100b3e63f
Red Hat Security Advisory 2023-6137-01
Posted Oct 26, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-6137-01 - An update for mtr-operator-bundle-container, mtr-operator-container, mtr-web-container, and mtr-web-executor-container is now available for Migration Toolkit for Runtimes 1 on RHEL 8. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 746e8afb6a661766b2e08af7b4484bf7bd86bf490b114c3c9c46702e6c591499
Red Hat Security Advisory 2023-6120-01
Posted Oct 26, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-6120-01 - An update for the nginx:1.22 module is now available for Red Hat Enterprise Linux 9. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 6476b44d832cf581c2878bb796be0b84fa4768744bb81cb573645afdb77a7be7
Red Hat Security Advisory 2023-6117-01
Posted Oct 26, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-6117-01 - Red Hat Integration Camel K 1.10.4 release and security update is now available. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 4fd2430bd75e80c2beb57483c9a97d49a670999a815597ddcabb70629088f94c
Red Hat Security Advisory 2023-6106-01
Posted Oct 26, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-6106-01 - Red Hat JBoss Core Services Apache HTTP Server 2.4.57 Service Pack 1 is now available. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | c1cd88b25512251dbd3804c72fb9e299892b07dab4165fd1f3fa712dd550b4aa
Ubuntu Security Notice USN-6438-2
Posted Oct 25, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6438-2 - USN-6438-1 fixed vulnerabilities in .Net. It was discovered that the fix for [CVE-2023-36799] was incomplete. This update fixes the problem. Kevin Jones discovered that .NET did not properly process certain X.509 certificates. An attacker could possibly use this issue to cause a denial of service. It was discovered that the .NET Kestrel web server did not properly handle HTTP/2 requests. A remote attacker could possibly use this issue to cause a denial of service.

tags | advisory, remote, web, denial of service, vulnerability
systems | linux, ubuntu
advisories | CVE-2023-36799, CVE-2023-44487
SHA-256 | 8f8a2894f2d3499707b0ae4dbacc130600e0eea2c6836d3ce30980427806b2a9
Red Hat Security Advisory 2023-5896-01
Posted Oct 25, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5896-01 - Red Hat OpenShift Container Platform release 4.12.40 is now available with updates to packages and images that fix several bugs and add enhancements. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | a4197ded4024c8ce64827dabe8583d4977165bed0e865c131bcb837a4f04e228
Red Hat Security Advisory 2023-6080-01
Posted Oct 24, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-6080-01 - Red Hat Integration Camel for Spring Boot 4.0.1 release and security update is now available. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 0d05162113f83d1300d228e7f33b6abd010de1941e5cef8139e95155242a584f
Red Hat Security Advisory 2023-6079-01
Posted Oct 24, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-6079-01 - Red Hat Integration Camel for Spring Boot 3.20.3 release and security update is now available. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 124e74f5da4e99b212126facb4ea030302776d36306008e6e4d4fa40eb4f2d44
Red Hat Security Advisory 2023-6030-01
Posted Oct 24, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-6030-01 - Red Hat AMQ Streams 2.2.2 is now available from the Red Hat Customer Portal. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 62e6afbb2706b42a855d78925c45c28e799959fa2bd9b4dfef2e2e2367b84b60
Red Hat Security Advisory 2023-6023-01
Posted Oct 24, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-6023-01 - An update for the varnish:6 module is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 8c05978a3bc2a5a8ef9fd1f7851ac261f5d2be30029889635726847382e7cc20
Red Hat Security Advisory 2023-6020-01
Posted Oct 24, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-6020-01 - An update for the varnish:6 module is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | a8843101ac5a0d37a01383f757a02b1dad18f5630b745ef652bce1d3ae1f9126
Red Hat Security Advisory 2023-5989-01
Posted Oct 24, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5989-01 - An update for varnish is now available for Red Hat Enterprise Linux 8. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 1c5d631228b4ebe2cff8e506574ac1240283d9841ac167134763ca80d2f53a5d
Red Hat Security Advisory 2023-5902-01
Posted Oct 24, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5902-01 - Red Hat OpenShift Container Platform release 4.13.18 is now available with updates to packages and images that fix several bugs and add enhancements. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 19fa4ded56578b139233f132c3bab0acdc65a506fd27eb2f6d1ca06d257318c3
Red Hat Security Advisory 2023-5978-01
Posted Oct 23, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5978-01 - JBoss EAP XP 4.0.0.GA security release on the EAP 7.4.13 base is now available. See references for release notes. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 13258910a901f1bc816fd8e0d634c316f8efe611d0c136ac505239ecc930e318
Red Hat Security Advisory 2023-5973-01
Posted Oct 23, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5973-01 - Red Hat AMQ Streams 2.5.1 is now available from the Red Hat Customer Portal. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 9e9f8712aa9211160c385f9ac4c5385dcbd6c11072fbc484f0877a43b153f66a
Red Hat Security Advisory 2023-5715-01
Posted Oct 23, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5715-01 - An update for the nginx:1.20 module is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 333743ea604a229474c9e1f82635518fdfc4f437a9ab5d710881e63ab54f27f8
Red Hat Security Advisory 2023-5712-01
Posted Oct 23, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5712-01 - An update for the nginx:1.20 module is now available for Red Hat Enterprise Linux 8. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | c94f6a49ee30ff6cabfe6d0fc875173931b660df1cc6729fa4a0de5196962e44
Ubuntu Security Notice USN-6427-2
Posted Oct 20, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6427-2 - USN-6427-1 fixed a vulnerability in .NET. This update provides the corresponding update for .NET 8. It was discovered that the .NET Kestrel web server did not properly handle HTTP/2 requests. A remote attacker could possibly use this issue to cause a denial of service.

tags | advisory, remote, web, denial of service
systems | linux, ubuntu
advisories | CVE-2023-44487
SHA-256 | 6e53de377670afb7e17ca890fe4dbf60ae5001fc0b1ef8a8426f69299ba3afc9
Ubuntu Security Notice USN-6438-1
Posted Oct 20, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6438-1 - Kevin Jones discovered that .NET did not properly process certain X.509 certificates. An attacker could possibly use this issue to cause a denial of service. It was discovered that the .NET Kestrel web server did not properly handle HTTP/2 requests. A remote attacker could possibly use this issue to cause a denial of service.

tags | advisory, remote, web, denial of service
systems | linux, ubuntu
advisories | CVE-2023-36799, CVE-2023-44487
SHA-256 | 3944c78a81452296cb5a186f380d5be84cbf9b8a448fe93228971317a30d07c0
Red Hat Security Advisory 2023-5956-01
Posted Oct 20, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5956-01 - Red Hat build of OptaPlanner 8.38.0 for Quarkus 2.13.8 release and security update is now available. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | e88c2679519e9f014d150939f87d675c7225ff266a49e1cf9724e1bbe1d07b3f
Red Hat Security Advisory 2023-5945-01
Posted Oct 20, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5945-01 - Red Hat AMQ Broker 7.10.4 is now available from the Red Hat Customer Portal. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 3e1fe1f005f9ae99d521f200e6cebadb555e23ab0a7b35acf91acc02979e240f
Red Hat Security Advisory 2023-5930-01
Posted Oct 20, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5930-01 - An update for varnish is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 2547cff0e6e049e562471b2de0a1767e7988270b4346a53abe041be898fceabb
Red Hat Security Advisory 2023-5929-01
Posted Oct 20, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5929-01 - An update for tomcat is now available for Red Hat Enterprise Linux 9. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 8cc90b32d9955979a2924dba82daa736f0941fe0a0106403794d22f5f5a22c40
Red Hat Security Advisory 2023-5928-01
Posted Oct 20, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-5928-01 - An update for tomcat is now available for Red Hat Enterprise Linux 8. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2023-44487
SHA-256 | 7ede6208dbf3d3bc5ee5ad8c86dfe507a05625609aa5d4753dcef704420d3f1b
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