GHSA-W9FJ-CFPG-GRVV Netty HTTP/2 CONTINUATION Frame Flood DoS via Zero-Byte Frame Bypass

Summary A remote user can trigger a Denial of Service DoS against a Netty HTTP/2 server by sending a flood of CONTINUATION frames. The server's lack of a limit on the number of CONTINUATION frames, combined with a bypass of existing size-based mitigations using zero-byte frames, allows an user to...

CVE-2026-26233

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to rate limit login requests which allows unauthenticated remote attackers to cause denial of service server crash and restart via HTTP/2 single packet attack with 100+ parallel login requests...

CVE-2026-26233

CVE-2026-26233 affects Mattermost releases 10.11.x to 11.4.x, where login requests are not rate-limited, enabling unauthenticated remote attackers to cause denial of service via an HTTP/2 single-packet attack with 100+ parallel login requests. No patch/version details are provided in the document...

ROS-20260319-73-0002

A vulnerability in the HTTP/2 protocol implementation is related to the ability to generate a stream of requests within an already established network connection, without opening new network connections and without acknowledging the receipt of packets. Exploitation of the vulnerability could allo...

EUVD-2026-12620

Wazuh is a free and open source platform used for threat prevention, detection, and response. Starting in version 4.3.0 and prior to version 4.14.3, a Denial of Service DoS vulnerability exists in the Wazuh API authentication middleware middlewares.py. The application uses an asynchronous event...

CVE-2026-28522

CVE-2026-28522 affects the arduino-TuyaOpen library prior to 1.2.1, where a null pointer dereference in the WiFiUDP component can be triggered by a high volume of UDP packets sent by an attacker on the same local network, causing memory exhaustion and a denial-of-service condition. The descriptio...

CVE-2026-28522

arduino-TuyaOpen before version 1.2.1 contains a null pointer dereference vulnerability in the WiFiUDP component. An attacker on the same local area network can send a large volume of malicious UDP packets that trigger a null pointer dereference, resulting in a denial-of-service condition...

CVE-2026-22182 wpDiscuz before 7.6.47 - Unauthenticated Email Notification Flood via wpdCheckNotificationType

wpDiscuz before 7.6.47 contains an unauthenticated denial of service vulnerability that allows anonymous users to trigger mass notification emails by exploiting the checkNotificationType function. Attackers can repeatedly call the wpdiscuz-ajax.php endpoint with arbitrary postId and commentid...

CVE-2026-22182 wpDiscuz before 7.6.47 - Unauthenticated Email Notification Flood via wpdCheckNotificationType

wpDiscuz before 7.6.47 contains an unauthenticated denial of service vulnerability that allows anonymous users to trigger mass notification emails by exploiting the checkNotificationType function. Attackers can repeatedly call the wpdiscuz-ajax.php endpoint with arbitrary postId and commentid...

golang: net/url: Memory exhaustion in query parameter parsing in net/url

A flaw was found in the net/url package in the Go standard library. The package does not enforce a limit on the number of unique query parameters it parses. A Go application using the net/http.Request.ParseForm method will try to process all parameters provided in the request. A specially crafted...

CVE-2026-20082

A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to cause incoming TCP SYN packets to be dropped incorrectly. This vulnerability is due to improper handling of new,...

CVE-2026-20082

A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to cause incoming TCP SYN packets to be dropped incorrectly. This vulnerability is due to improper handling of new,...

CVE-2026-20082

The CVE-2026-20082 entry describes a vulnerability in Cisco Secure Firewall ASA software related to embryonic TCP connection handling under SYN flood conditions. An unauthenticated remote attacker can send crafted traffic to the device, causing incorrect dropping of incoming TCP SYNs destined to ...

CVE-2026-20082

A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to cause incoming TCP SYN packets to be dropped incorrectly. This vulnerability is due to improper handling of new,...

Cisco Secure Firewall Adaptive Security Appliance Software TCP Flood Denial of Service Vulnerability

A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to cause incoming TCP SYN packets to be dropped incorrectly. This vulnerability is due to improper handling of new,...

PT-2026-23011

A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to cause incoming TCP SYN packets to be dropped incorrectly. This vulnerability is due to improper handling of new,...

Cisco Secure Firewall Adaptive Security Appliance 安全漏洞

Cisco Secure Firewall Adaptive Security Appliance is an enterprise-level firewall software developed by the American company Cisco. There is a security vulnerability in Cisco Secure Firewall Adaptive Security Appliance. This vulnerability stems from improper handling of new incoming TCP connectio...

golang: net/url: Memory exhaustion in query parameter parsing in net/url

A flaw was found in the net/url package in the Go standard library. The package does not enforce a limit on the number of unique query parameters it parses. A Go application using the net/http.Request.ParseForm method will try to process all parameters provided in the request. A specially crafted...

CVE-2026-1876 Denial-of-Service (DoS) vulnerability in Ethernet function of MELSEC iQ-F Series Ethernet module

Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP all versions allows a remote attacker to cause a denial-of-service DoS condition on the products by continuously sending UDP packets to the products. A...

CVE-2026-1875

Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP versions 1.000 and prior allows a remote attacker to cause a denial-of-service DoS condition on the products by continuously sending UDP packets to the...