rack: Rack's multipart parser buffers large non‑file fields entirely in memory, enabling DoS (memory exhaustion)

A flaw was found in Rack where Rack::Multipart::Parser stores non-file form fields entirely in memory without size limits. An attacker can send a multipart/form-data request with an extremely large text field, causing the server to allocate large amounts of memory which leads to a denial of servi...

USN-2815-1 libpng vulnerabilities

Mikulas Patocka discovered that libpng incorrectly handled certain large fields. If a user or automated system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to cause libpng to crash, leading to a denial of service. This issue only affected Ubuntu...