CVE-2025-27220

CVE Details

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

Description

In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the Util#escapeElement method.

See more information about CVE-2025-27220 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 8 (ruby)	ELSA-2025-4063	2025-04-22
Oracle Linux version 8 (rubygem-abrt)	ELSA-2025-4063	2025-04-22
Oracle Linux version 8 (rubygem-mysql2)	ELSA-2025-4063	2025-04-22
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 (rubygem-mysql2)	ELSA-2025-4488	2025-05-06
Oracle Linux version 9 (rubygem-pg)	ELSA-2025-4488	2025-05-06