CVE-2025-27219
5.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| ruby-lang | CGI | 0 < 0.3.5.1 | affected |
| ruby-lang | CGI | 0.3.6 < 0.3.7 | affected |
| ruby-lang | CGI | 0.4.0 < 0.4.2 | affected |
Weaknesses
- CWE-770: CWE-770 Allocation of Resources Without Limits or Throttling
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
CVE Program Container
Additional References
References
- https://hackerone.com/reports/2936778
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/cgi/CVE-2025-27219.yml
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