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Status published
Medium
CVE-2025-27219
In the CGI gem before 0.4.2 for Ruby, the CGI::Cookie.parse...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Unknown
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Affected Vendor
ruby-lang
View all reports →Affected Software
CGI
Vulnerable Versions:
0, 0.3.6, 0.4.0
Timeline
Official Publish:
March 3rd, 2025
Last Modified:
November 3rd, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L