CVE-2025-27219

CVE Details

Release Date:	2025-03-04
Impact:	Moderate	What is this?

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.

See more information about CVE-2025-27219 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	5.3
Vector String:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Version:	3.1
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Low

Errata information

Platform	Errata	Release Date
Oracle Linux version 10 (ruby)	ELSA-2025-8131	2025-06-27
Oracle Linux version 8 (ruby)	ELSA-2025-10217	2025-07-03
Oracle Linux version 8 (ruby)	ELSA-2025-4063	2025-04-22
Oracle Linux version 8 (rubygem-abrt)	ELSA-2025-10217	2025-07-03
Oracle Linux version 8 (rubygem-abrt)	ELSA-2025-4063	2025-04-22
Oracle Linux version 8 (rubygem-mysql2)	ELSA-2025-10217	2025-07-03
Oracle Linux version 8 (rubygem-mysql2)	ELSA-2025-4063	2025-04-22
Oracle Linux version 8 (rubygem-pg)	ELSA-2025-10217	2025-07-03
Oracle Linux version 8 (rubygem-pg)	ELSA-2025-4063	2025-04-22
Oracle Linux version 9 (ruby)	ELSA-2025-4487	2025-05-07
Oracle Linux version 9 (ruby)	ELSA-2025-4488	2025-05-06
Oracle Linux version 9 (ruby)	ELSA-2025-4493	2025-05-06
Oracle Linux version 9 (rubygem-mysql2)	ELSA-2025-4488	2025-05-06
Oracle Linux version 9 (rubygem-mysql2)	ELSA-2025-4493	2025-05-06
Oracle Linux version 9 (rubygem-pg)	ELSA-2025-4488	2025-05-06
Oracle Linux version 9 (rubygem-pg)	ELSA-2025-4493	2025-05-06