CVE-2025-27219 — Allocation of Resources Without Limits or Throttling in CGI
Severity
7.5HIGHNVD
CNA5.8OSV6.6
EPSS
0.3%
top 45.32%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 4
Latest updateApr 27
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6
Affected Packages3 packages
🔴Vulnerability Details
5📋Vendor Advisories
6Microsoft▶
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 ↗2025-03-11
Debian▶
CVE-2025-27219: ruby2.7 - In the CGI gem before 0.4.2 for Ruby, the CGI::Cookie.parse method in the CGI li...↗2025