Out-of-bounds Write (HTTP2Shell)

Overview Affected versions of this package are vulnerable to Out-of-bounds Write HTTP2Shell via block-switch handling in the bundled Brotli decoder, specifically DecodeBlockTypeAndLength in decode.c. An attacker can execute arbitrary code by supplying a crafted Brotli-compressed stream with an...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the SocketsHttpHandler process. An attacker can obtain sensitive proxy credentials by causing an HTTP redirect that results in the Proxy-Authorization header being sent to an...

Out-of-bounds Write

Overview Affected versions of this package are vulnerable to Out-of-bounds Write via the ReceiveFromAsync process when a SocketAsyncEventArgs instance is reused across IPv4 and IPv6 datagram sockets, which can retain an undersized cached native address buffer. An attacker can achieve remote code...

Inefficient Algorithmic Complexity

Overview Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity in the processing of signed XML data due to inefficient algorithmic complexity in the System.Security.Cryptography.Xml and System.Private.Xml components. An attacker can cause excessive resource...

Out-of-bounds Write

Overview Affected versions of this package are vulnerable to Out-of-bounds Write in the DateTime Hebrew-number parsing process. An attacker can cause the application to terminate unexpectedly by providing specially crafted input that leads to reading outside the expected stack bounds. Remediation...

Uncontrolled Recursion

Overview Affected versions of this package are vulnerable to Uncontrolled Recursion through the processing of XML data in cryptographic operations. An attacker can cause excessive resource consumption and application unavailability by submitting specially crafted XML input that triggers...

Unchecked Input for Loop Condition

Overview Affected versions of this package are vulnerable to Unchecked Input for Loop Condition via unchecked input for the loop condition in the System.Net.WebSockets. An attacker can cause a denial of service by sending specially crafted network requests that trigger excessive resource...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via HTTP/2 request processing. An attacker can cause a denial of service by sending crafted HTTP/2 traffic that triggers an out-of-memory condition, exhausting available memory and...