CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0CVE-2025-27219 – Ubuntu Security Notice USN-7418-1
https://notcve.org/view.php?id=CVE-2025-27219
03 Mar 2025 — In the CGI gem before 0.4.2 for Ruby, the CGI::Cookie.parse method in the CGI library contains a potential Denial of Service (DoS) vulnerability. The method does not impose any limit on the length of the raw cookie value it processes. This oversight can lead to excessive resource consumption when parsing extremely large cookies. It was discovered that Ruby incorrectly handled parsing of an XML document that has specific XML characters in an attribute value using REXML gem. An attacker could use this issue t... • https://github.com/rubysec/ruby-advisory-db/blob/master/gems/cgi/CVE-2025-27219.yml • CWE-770: Allocation of Resources Without Limits or Throttling •
CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0CVE-2025-27220 – Ubuntu Security Notice USN-7418-1
https://notcve.org/view.php?id=CVE-2025-27220
03 Mar 2025 — In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the Util#escapeElement method. It was discovered that Ruby incorrectly handled parsing of an XML document that has specific XML characters in an attribute value using REXML gem. An attacker could use this issue to cause Ruby to crash, resulting in a denial of service. This issue only affected in Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 24.10. It was discovered that Ruby incorrectly handled expa... • https://github.com/rubysec/ruby-advisory-db/blob/master/gems/cgi/CVE-2025-27220.yml • CWE-1333: Inefficient Regular Expression Complexity •