CVE-2026-59844

A flaw was found in libssh. A remote authenticated client can issue SSHFXPREAD requests with an arbitrarily large length, causing a libssh SFTP server to allocate excessive memory and potentially exhaust it through repeated requests. Mitigation No workaround available...

Memory Allocation with Excessive Size Value

Overview Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via the SFTP read process. An attacker can cause excessive memory allocation and exhaust system resources by sending repeated requests with arbitrarily large lengths. Remediation A fix was...

CVE-2026-54463

websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.1, draft versions of the WebSocket protocol in websocket-driver include a length header that allows an arbitrarily large integer to be encoded as bytes with the high bit set, and a server or client can send an...

serialize-javascript: serialize-javascript: Denial of Service via specially crafted array-like object serialization

A flaw was found in serialize-javascript. An attacker can exploit this vulnerability by providing a specially crafted "array-like" object with an excessively large length property during the serialization process. This action causes the application to enter an intensive loop, leading to 100% CPU...

serialize-javascript: serialize-javascript: Denial of Service via specially crafted array-like object serialization

A flaw was found in serialize-javascript. An attacker can exploit this vulnerability by providing a specially crafted "array-like" object with an excessively large length property during the serialization process. This action causes the application to enter an intensive loop, leading to 100% CPU...

serialize-javascript: serialize-javascript: Denial of Service via specially crafted array-like object serialization

A flaw was found in serialize-javascript. An attacker can exploit this vulnerability by providing a specially crafted "array-like" object with an excessively large length property during the serialization process. This action causes the application to enter an intensive loop, leading to 100% CPU...

serialize-javascript: serialize-javascript: Denial of Service via specially crafted array-like object serialization

A flaw was found in serialize-javascript. An attacker can exploit this vulnerability by providing a specially crafted "array-like" object with an excessively large length property during the serialization process. This action causes the application to enter an intensive loop, leading to 100% CPU...

serialize-javascript: serialize-javascript: Denial of Service via specially crafted array-like object serialization

A flaw was found in serialize-javascript. An attacker can exploit this vulnerability by providing a specially crafted "array-like" object with an excessively large length property during the serialization process. This action causes the application to enter an intensive loop, leading to 100% CPU...

serialize-javascript: serialize-javascript: Denial of Service via specially crafted array-like object serialization

A flaw was found in serialize-javascript. An attacker can exploit this vulnerability by providing a specially crafted "array-like" object with an excessively large length property during the serialization process. This action causes the application to enter an intensive loop, leading to 100% CPU...

Memory Allocation with Excessive Size Value

Overview Nerdbank.MessagePack is an A modern, fast and NativeAOT-compatible MessagePack serialization library Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value the TryRead timestamp decoder in MessagePackPrimitives.Readers.cs. An attacker can crash...

undici: undici: Denial of Service via crafted WebSocket frame with large length

A flaw was found in undici. A remote attacker could exploit this vulnerability by sending a specially crafted WebSocket frame with an extremely large 64-bit length. This causes undici's ByteParser to overflow its internal calculations, leading to an invalid state and a fatal TypeError. The primar...

undici: undici: Denial of Service via crafted WebSocket frame with large length

A flaw was found in undici. A remote attacker could exploit this vulnerability by sending a specially crafted WebSocket frame with an extremely large 64-bit length. This causes undici's ByteParser to overflow its internal calculations, leading to an invalid state and a fatal TypeError. The primar...

undici: undici: Denial of Service via crafted WebSocket frame with large length

A flaw was found in undici. A remote attacker could exploit this vulnerability by sending a specially crafted WebSocket frame with an extremely large 64-bit length. This causes undici's ByteParser to overflow its internal calculations, leading to an invalid state and a fatal TypeError. The primar...

undici: undici: Denial of Service via crafted WebSocket frame with large length

A flaw was found in undici. A remote attacker could exploit this vulnerability by sending a specially crafted WebSocket frame with an extremely large 64-bit length. This causes undici's ByteParser to overflow its internal calculations, leading to an invalid state and a fatal TypeError. The primar...

undici: undici: Denial of Service via crafted WebSocket frame with large length

A flaw was found in undici. A remote attacker could exploit this vulnerability by sending a specially crafted WebSocket frame with an extremely large 64-bit length. This causes undici's ByteParser to overflow its internal calculations, leading to an invalid state and a fatal TypeError. The primar...

undici: undici: Denial of Service via crafted WebSocket frame with large length

A flaw was found in undici. A remote attacker could exploit this vulnerability by sending a specially crafted WebSocket frame with an extremely large 64-bit length. This causes undici's ByteParser to overflow its internal calculations, leading to an invalid state and a fatal TypeError. The primar...

undici: undici: Denial of Service via crafted WebSocket frame with large length

A flaw was found in undici. A remote attacker could exploit this vulnerability by sending a specially crafted WebSocket frame with an extremely large 64-bit length. This causes undici's ByteParser to overflow its internal calculations, leading to an invalid state and a fatal TypeError. The primar...

UBUNTU-CVE-2026-34043

Serialize JavaScript to a superset of JSON that includes regular expressions and functions. Prior to version 7.0.5, there is a Denial of Service DoS vulnerability caused by CPU exhaustion. When serializing a specially crafted "array-like" object an object that inherits from Array.prototype but ha...

CVE-2026-1528

A flaw was found in undici. A remote attacker could exploit this vulnerability by sending a specially crafted WebSocket frame with an extremely large 64-bit length. This causes undici's ByteParser to overflow its internal calculations, leading to an invalid state and a fatal TypeError. The primar...

Uncaught Exception

Overview org.webjars.npm:undici is an An HTTP/1.1 client, written from scratch for Node.js Affected versions of this package are vulnerable to Uncaught Exception in the ByteParser when handling a specially crafted WebSocket frame with an extremely large 64-bit length. An attacker can cause the...