CVE-2025-27219

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

04/03/2025

Last modified:

05/03/2025

Description

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L CVSS v3.1 Severity and Metrics:

Base Score: 5.80 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): None
Availability (A): Low

Base Score 3.x

5.80

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:ruby-lang:cgi::::::ruby::*		0.3.5.1 (excluding)
cpe:2.3:a:ruby-lang:cgi::::::ruby::*	0.4.0 (including)	0.4.2 (excluding)
cpe:2.3:a:ruby-lang:cgi:0.3.6:::::ruby::

To consult the complete list of CPE names with products and versions, see this page

CVE-2025-27219

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools