7.5

CVE-2025-27220

In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the Util#escapeElement method.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Ruby-lang ≫ Cgi SwPlatform ruby Version < 0.3.5.1
   Ruby-lang ≫ Ruby Version 3.1.0
   Ruby-lang ≫ Ruby Version 3.2.0
Ruby-lang ≫ Cgi SwPlatform ruby Version >= 0.4.0 < 0.4.2
   Ruby-lang ≫ Ruby Version 3.1.0
   Ruby-lang ≫ Ruby Version 3.2.0
Ruby-lang ≫ Cgi Version 0.3.6 SwPlatform ruby
   Ruby-lang ≫ Ruby Version 3.1.0
   Ruby-lang ≫ Ruby Version 3.2.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.73% 0.507
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
MITRE 4 2.2 1.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L
CWE-1333 Inefficient Regular Expression Complexity

The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.

https://hackerone.com/reports/2890322
Permissions Required
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/cgi/CVE-2025-27220.yml
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/03/msg00008.html