CVE-2025-27220

MEDIUM

CGI gem < 0.3.5.1 - Regular Expression Denial of Service in Util#escapeElement

Title source: llm
STIX 2.1

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.

References (3)

Core 3

Scores

CVSS v3 4.0
EPSS 0.0070
EPSS Percentile 48.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-1333
Status published
Products (3)
ruby-lang/cgi 0.3.6
ruby-lang/cgi < 0.3.5.1
rubygems/cgi 0 - 0.3.5.1RubyGems
Published Mar 04, 2025
Tracked Since Feb 18, 2026