{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-120645","assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","state":"PUBLISHED","assignerShortName":"CPANSec","dateReserved":"2026-11-02T17:42:57.379Z","datePublished":"2026-11-03T23:40:54.754Z","dateUpdated":"2026-11-03T23:40:54.754Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","modules":["CGI"],"packageName":"CGI","packageURL":"pkg:cpan/CGI","programFiles":["lib/CGI.pm"],"programRoutines":[{"name":"CGI::scrolling_list"}],"repo":"https://github.com/leejo/CGI.pm","versions":[{"lessThan":"5.00","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"CGI versions before 5.00 for Perl allow denial of service via submitted values used as a regex for optgroup selection in scrolling_list.\n\nWhen rendering option groups, scrolling_list marks the selected options by interpolating each selected value, by default taken from the request parameters, unescaped into a substitution pattern.\n\nA client can make the request die with an invalid pattern, or tie up the process with one that backtracks heavily."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1333","description":"CWE-1333 Inefficient Regular Expression Complexity","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-625","description":"CWE-625 Permissive Regular Expression","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec","dateUpdated":"2026-11-03T23:40:54.754Z"},"references":[{"tags":["technical-description"],"url":"https://metacpan.org/release/LEEJO/CGI-4.72/source/lib/CGI.pm"},{"tags":["release-notes"],"url":"https://metacpan.org/release/LEEJO/CGI-5.00/changes"},{"tags":["patch"],"url":"https://github.com/leejo/CGI.pm/commit/824956fbb0c4eb77044ba2dc9180a30df12cb309.patch"}],"solutions":[{"lang":"en","value":"Upgrade to CGI 5.00 or later."}],"source":{"discovery":"UNKNOWN"},"title":"CGI versions before 5.00 for Perl allow denial of service via submitted values used as a regex for optgroup selection in scrolling_list","x_generator":{"engine":"cpansec-cna-tool 0.1"}}}}