CVE-2022-24666

A program using swift-nio-http2 is vulnerable to a denial of service attack, caused by a network peer sending a specially crafted HTTP/2 frame. This attack affects all swift-nio-http2 versions from 1.0.0 to 1.19.1. This vulnerability is caused by a logical error when parsing a HTTP/2 HEADERS fram...

CVE-2022-40482

The authentication method in Laravel 8.x through 9.x before 9.32.0 was discovered to be vulnerable to user enumeration via timeless timing attacks with HTTP/2 multiplexing. This is caused by the early return inside the hasValidCredentials method in the Illuminate\Auth\SessionGuard class when a us...

CVE-2021-32566

Improper Input Validation vulnerability in HTTP/2 of Apache Traffic Server allows an attacker to DOS the server. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1...

CVE-2020-5891

On BIG-IP 15.1.0-15.1.0.1, 15.0.0-15.0.1.2, and 14.1.0-14.1.2.3, undisclosed HTTP/2 requests can lead to a denial of service when sent to a virtual server configured with the Fallback Host setting and a server-side HTTP/2 profile...

CVE-2020-9481

Apache ATS 6.0.0 to 6.2.3, 7.0.0 to 7.1.9, and 8.0.0 to 8.0.6 is vulnerable to a HTTP/2 slow read attack...

CVE-2020-5871

On BIG-IP 14.1.0-14.1.2.3, undisclosed requests can lead to a denial of service DoS when sent to BIG-IP HTTP/2 virtual servers. The problem can occur when ciphers, which have been blacklisted by the HTTP/2 RFC, are used on backend servers. This is a data-plane issue. There is no control-plane...

CVE-2020-9494

Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.10, and 8.0.0 to 8.0.7 is vulnerable to certain types of HTTP/2 HEADERS frames that can cause the server to allocate a large amount of memory and spin the thread...

CVE-2020-5875

On BIG-IP 15.0.0-15.0.1 and 14.1.0-14.1.2.3, under certain conditions, the Traffic Management Microkernel TMM may generate a core file and restart while processing SSL traffic with an HTTP/2 full proxy...

CVE-2019-6673

On versions 15.0.0-15.0.1 and 14.0.0-14.1.2, when the BIG-IP is configured in HTTP/2 Full Proxy mode, specifically crafted requests may cause a disruption of service provided by the Traffic Management Microkernel TMM...

CVE-2019-10079

Apache Traffic Server is vulnerable to HTTP/2 setting flood attacks. Earlier versions of Apache Traffic Server didn't limit the number of setting frames sent from the client using the HTTP/2 protocol. Users should upgrade to Apache Traffic Server 7.1.7, 8.0.4, or later versions...

Denial Of Service (DoS)

org.eclipse.jetty.http2, jetty-http2-common is vulnerable to Denial Of Service DoS. The vulnerability is due to missing validation of the SETTINGSMAXHEADERLISTSIZE parameter in HTTP/2 settings frames. Specifically, Jetty fails to enforce reasonable limits on this value, allowing an attacker to...

Alibaba Cloud Linux 3 : 0101: nghttp2 (ALINUX3-SA-2022:0101)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2022:0101 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2019-9513: Some HTTP/2 implementations...

Alibaba Cloud Linux 3 : 0091: git-lfs (ALINUX3-SA-2024:0091)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2024:0091 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2023-45288: An attacker may cause an...

Alibaba Cloud Linux 3 : 0131: grafana (ALINUX3-SA-2023:0131)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2023:0131 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2023-39325: A malicious HTTP/2 client...

Alibaba Cloud Linux 3 : 0033: go-toolset:rhel8 (ALINUX3-SA-2024:0033)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2024:0033 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2023-39325: A malicious HTTP/2 client...

Tomcat: HTTP/2 header handling DoS

A vulnerability was found in the Tomcat package due to its handling of HTTP/2 requests. Specifically, when an HTTP/2 request surpasses the predetermined limits for headers configured within the server, the associated HTTP/2 stream isn't reset immediately. Instead, the reset action occurs only aft...

HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RSTSTREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any...

CVE-2025-41414

When HTTP/2 client and server profile is configured on a virtual server, undisclosed requests can cause TMM to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2025-36504

When a BIG-IP HTTP/2 httprouter profile is configured on a virtual server, undisclosed responses can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

Eclipse Jetty HTTP/2 client can force the server to allocate a humongous byte buffer that may lead to OoM and subsequently the JVM to exit

Original Report In Eclipse Jetty versions 12.0.0 to 12.0.16 included, an HTTP/2 client can specify a very large value for the HTTP/2 settings parameter SETTINGSMAXHEADERLISTSIZE. The Jetty HTTP/2 server does not perform validation on this setting, and tries to allocate a ByteBuffer of the specifi...