CVE-2026-43678

A flaw was found in swift-nio. An unauthenticated remote attacker can crash any NIOWebSocket-based server by sending a single 11-byte frame after a completed WebSocket handshake. This vulnerability leads to a Denial of Service DoS, dropping all active connections until the server process restarts...

CVE-2026-43820

A flaw was found in swift-nio-ssl. This vulnerability arises from the improper handling of Subject Alternative Names SANs within SSL certificates. When processing SANs that are not backed by an ASN1STRING, the system attempts to access memory outside of its allocated buffer, leading to an...

CVE-2026-43798

A single crafted SSH message gives an unauthenticated network attacker an out-of-bounds stack write of attacker-controlled length and content against any application built on swift-nio-ssh. This vulnerability is addressed in swift-nio-ssh version 0.14.1...

CVE-2026-43798

A single crafted SSH message gives an unauthenticated network attacker an out-of-bounds stack write of attacker-controlled length and content against any application built on swift-nio-ssh. This vulnerability is addressed in swift-nio-ssh version 0.14.1...

CVE-2026-43798

CVE-2026-43798 affects swift-nio-ssh , the SSH implementation in Apple's Swift NIO networking library. A single crafted SSH message allows an unauthenticated network attacker to trigger an out-of-bounds stack write with attacker-controlled length and content, potentially affecting any application...

CVE-2026-43678

An unauthenticated remote peer can crash any NIOWebSocket-based server including Vapor and Hummingbird with a single 11-byte frame sent after a completed WebSocket handshake, dropping all active connections until the process restarts. This vulnerability is addressed in swift-nio version 2.101.0...

CVE-2026-43678

An unauthenticated remote peer can crash any NIOWebSocket-based server including Vapor and Hummingbird with a single 11-byte frame sent after a completed WebSocket handshake, dropping all active connections until the process restarts. This vulnerability is addressed in swift-nio version 2.101.0...

CVE-2026-43678

CVE-2026-43678 is a Denial of Service vulnerability in swift-nio 's NIOWebSocket component. An unauthenticated remote attacker can crash any NIOWebSocket-based server—including the Vapor and Hummingbird frameworks—by sending a single 11-byte frame after a completed WebSocket handshake. This drops...

EUVD-2026-63577

An unauthenticated remote peer can crash any NIOWebSocket-based server including Vapor and Hummingbird with a single 11-byte frame sent after a completed WebSocket handshake, dropping all active connections until the process restarts. This vulnerability is addressed in swift-nio version 2.101.0...

CVE-2026-43678

An unauthenticated remote peer can crash any NIOWebSocket-based server including Vapor and Hummingbird with a single 11-byte frame sent after a completed WebSocket handshake, dropping all active connections until the process restarts. This vulnerability is addressed in swift-nio version 2.101.0...

PT-2026-79134

A single crafted SSH message gives an unauthenticated network attacker an out-of-bounds stack write of attacker-controlled length and content against any application built on swift-nio-ssh. This vulnerability is addressed in swift-nio-ssh version 0.14.1...

PT-2026-79113

An unauthenticated remote peer can crash any NIOWebSocket-based server including Vapor and Hummingbird with a single 11-byte frame sent after a completed WebSocket handshake, dropping all active connections until the process restarts. This vulnerability is addressed in swift-nio version 2.101.0...

BIT-ACTIVEMQ-2026-59878 Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All: AMQP NIO negative frame size validation bypass leading to DoS

Improper Input Validation vulnerability in Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All. A remote unauthenticated peer that can reach an exposed AMQP NIO connector can trigger denial-of-service behavior by sending a frame size value. This cause the NIO threads to die and if done...

The vulnerability of the ActiveMQ NIO SSL module in Apache ActiveMQ products allows a attacker to cause a service failure.

The vulnerability of the ActiveMQ NIO SSL software products of Apache ActiveMQ is related to an uncontrolled resource consumption. Exploiting this vulnerability may allow a malicious actor to cause service failures...

Denial Of Service (DoS)

Apache ActiveMQ is vulnerable to a Memory Allocation with Excessive Size Value vulnerability. The vulnerability is due to improper handling of non-terminating STOMP header bytes, which allows an unauthenticated attacker to send an excessive amount of header data over a STOMP NIO connection, causi...

Oracle Linux 8 : pki-deps:10.6 (ELSA-2026-43218)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-43218 advisory. - Resolves: CVE-2015-5262 - Resolves: CVE-2014-3577 - Resolves: rhbz1658846 CVE-2018-8034 pki-servlet-container: tomcat: host name verification missing in...

DEBIAN-CVE-2026-59878

Improper Input Validation vulnerability in Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All. A remote unauthenticated peer that can reach an exposed AMQP NIO connector can trigger denial-of-service behavior by sending a frame size value. This cause the NIO threads to die and if done...

CVE-2026-59878

Improper Input Validation vulnerability in Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All. A remote unauthenticated peer that can reach an exposed AMQP NIO connector can trigger denial-of-service behavior by sending a frame size value. This cause the NIO threads to die and if done...

CVE-2026-59878

Improper Input Validation vulnerability in Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All. A remote unauthenticated peer that can reach an exposed AMQP NIO connector can trigger denial-of-service behavior by sending a frame size value. This cause the NIO threads to die and if done...

swift-nio-http2: Missing CR/LF/NUL validation in header values

SwiftNIO HTTP/2 was missing validation on inbound HEADERS frames that let CR, LF, NUL, SP and other control characters reach an HTTP/1.1 backend through NIOHTTP2's HTTP/2-to-HTTP/1 codec, enabling HTTP request smuggling or response splitting...