vulnerability
Rocky Linux: CVE-2025-27219: ruby (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Jul 29, 2025 | Jul 31, 2025 | Mar 31, 2026 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Jul 29, 2025
Added
Jul 31, 2025
Modified
Mar 31, 2026
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.
Solutions
rocky-upgrade-rubyrocky-upgrade-ruby-bundled-gemsrocky-upgrade-ruby-bundled-gems-debuginforocky-upgrade-ruby-debuginforocky-upgrade-ruby-debugsourcerocky-upgrade-ruby-develrocky-upgrade-ruby-libsrocky-upgrade-ruby-libs-debuginforocky-upgrade-rubygem-bigdecimalrocky-upgrade-rubygem-bigdecimal-debuginforocky-upgrade-rubygem-io-consolerocky-upgrade-rubygem-io-console-debuginforocky-upgrade-rubygem-jsonrocky-upgrade-rubygem-json-debuginforocky-upgrade-rubygem-mysql2rocky-upgrade-rubygem-mysql2-debuginforocky-upgrade-rubygem-mysql2-debugsourcerocky-upgrade-rubygem-pgrocky-upgrade-rubygem-pg-debuginforocky-upgrade-rubygem-pg-debugsourcerocky-upgrade-rubygem-psychrocky-upgrade-rubygem-psych-debuginforocky-upgrade-rubygem-raccrocky-upgrade-rubygem-racc-debuginforocky-upgrade-rubygem-rbsrocky-upgrade-rubygem-rbs-debuginfo
References
- CVE-2025-27219
- https://attackerkb.com/topics/CVE-2025-27219
- CWE-770
- EUVD-EUVD-2025-5556
- https://errata.rockylinux.org/RLSA-2025:10217
- https://errata.rockylinux.org/RLSA-2025:4063
- https://errata.rockylinux.org/RLSA-2025:4487
- https://errata.rockylinux.org/RLSA-2025:4488
- https://errata.rockylinux.org/RLSA-2025:4493
- https://errata.rockylinux.org/RLSA-2025:8131
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-5556
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.