CVE-2025-27219

MEDIUM

5.8

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.

CVE Details

CVSS v3.1 Score5.8

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/4/2025

Last Modified11/3/2025

Sourcenvd

Honeypot Sightings0

Affected Products

ruby-lang:cgi

Weaknesses (CWE)

CWE-770CWE-770

References

https://github.com/rubysec/ruby-advisory-db/blob/master/gems/cgi/CVE-2025-27219.yml(cve@mitre.org)

https://hackerone.com/reports/2936778(cve@mitre.org)

https://lists.debian.org/debian-lts-announce/2025/03/msg00008.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.