It was discovered that Rack incorrectly handled certain regular expressions. A remote attacker could possibly use this issue to cause Rack to consume resources, leading to a denial of service. (CVE-2023-27539)
It was discovered that Rack incorrectly handled Multipart MIME parsing. A remote attacker could possibly use this issue to cause Rack to consume resources, leading to a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-27530)
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "1.5.2-3+deb8u3ubuntu1~esm7", "binary_name": "librack-ruby" }, { "binary_version": "1.5.2-3+deb8u3ubuntu1~esm7", "binary_name": "librack-ruby1.8" }, { "binary_version": "1.5.2-3+deb8u3ubuntu1~esm7", "binary_name": "librack-ruby1.9.1" }, { "binary_version": "1.5.2-3+deb8u3ubuntu1~esm7", "binary_name": "ruby-rack" } ] }